How to See Digital Signature in PDF with signNow

TL;DR

Quick overview: This guide explains how to view, verify, and manage digital signatures inside PDF files using signNow. You will learn how to open PDFs in web and mobile apps, check signature validity and certificate details, read audit trails, and resolve common display issues. It covers legal basics under ESIGN and UETA, platform requirements, security certifications, and a pricing snapshot. Practical steps include uploading a PDF, enabling signature validation, reviewing signer authentication, and archiving the signed file to secure cloud storage for compliance and easy retrieval.

What seeing a digital signature means

A digital signature in a PDF is a secure, electronic mark that proves who signed the document and whether it was altered after signing. Think of it like a tamper-evident wax seal combined with a timestamp and signer log: it shows identity, time, and integrity. In signNow, eSignatures embed certificate and audit data so recipients can open a PDF and confirm signature validity, authentication methods used, and the document history. This helps organizations replace paper signatures while meeting legal requirements under ESIGN and UETA across U.S. workflows.

Step-by-step: View signature details

Follow these practical, user-focused steps to open a PDF in signNow, reveal signature metadata, and validate signer authenticity on web or mobile interfaces.

• 01
  Open Document: Log into signNow, select the document, and click to open the PDF viewer in your browser.
• 02
  Reveal Signatures: In the viewer, click a signature field or the signatures pane to display certificate and status details.
• 03
  Check Audit Trail: Open the Audit Trail from the document menu to view timestamps, signer IPs, and authentication events.
• 04
  Export Evidence: Download the signed PDF and audit report to store with records or to share for legal review.

How signNow displays signatures

A quick workflow overview of how PDFs are signed and how signNow surfaces signature and certificate details inside the file and platform.

• Upload File: Upload your PDF to signNow via web, mobile, or API endpoint.
• Prepare Fields: Place signature and data fields, set signer order and authentication requirements.
• Send for eSign: Use send for signature to notify signers by email or share a signing link.
• Verify & Store: After signatures, view certificate details and archive the signed PDF with audit trail.

Devices, browsers, and access

Access signNow from modern browsers, native mobile apps, or programmatically via API to view and validate PDF signatures.

• Web Browser: Chrome, Edge, Safari supported
• Mobile Apps: iOS and Android native apps
• API Access: REST API, OAuth2 authentication

For best results use the latest browser version or the signNow mobile app; APIs allow automated retrieval of signed PDFs and audit reports for backend systems.

Certificate and security posture

In-transit Encryption: TLS 1.2/1.3

At-rest Encryption: AES-256 encryption

SOC 2 Type II: Report on request

HIPAA Compliance: BAA required

21 CFR Part 11: Compliant features

ISO 27001: Certified controls

Core features for signature visibility

Key signNow capabilities that surface digital signature details and preserve evidentiary data for verification, audit, and compliance workflows.

Audit Trail

Complete, exportable audit reports include signer sequence, timestamps, IP addresses, and authentication methods to validate who signed and when.

Signature Validation

Native PDF signature verification displays certificate status, integrity checks, and whether the document was altered after signing.

Templates

Reusable templates speed creation of standardized, signable PDFs while preserving field placement and signature verification settings for consistent audits.

Mobile Signing

Native iOS and Android signing keeps certificate data intact and enables offline signing with later synchronization to ensure audit continuity.

Advanced signature and validation features

Features that assist stronger signer identity checks, conditional workflows, and enterprise-level validation for documents requiring elevated trust and regulatory controls.

Advanced Authentication

Multi-factor options include SMS, email, and knowledge-based checks to increase signer identity assurance and validation reliability.

Conditional Fields

Show or hide fields based on responses to ensure only required fields are signed and included in the final signed PDF.

Payment Collection

Embed payment requests into signing flows so signature completion and payment confirmation are recorded together in the audit trail.

Kiosk Mode

Onsite device signing preserves signature metadata while enabling in-person capture without paper handling or manual uploads.

Integrations

Connect to Salesforce, NetSuite, Google Workspace, Box, Procore, and others to centralize signed PDFs and validation data.

API & SSO

Full REST API and single sign-on for secure automation and centralized identity management across enterprise systems.

Typical workflow configuration

Recommended signNow settings and defaults to ensure signatures are visible, validated, and auditable across teams and systems.

Setting Name	Configuration
Authentication Method	Email or SMS
Signer Order	Sequential
Audit Report	Enabled
Document Storage	Encrypted Cloud
Retention Policy	7 years

Pricing snapshot (data as of May 2026)

A concise comparison of starting price and key features across signNow and common competitors to help assess cost and capability trade-offs.

	signNow	DocuSign	Adobe Sign	PandaDoc	HelloSign
Starting Price	$8/user/mo, annual billing	$8/user/mo, annual	$13/user/mo, annual	$19/user/mo, annual	$15/user/mo, annual
Free Trial	7-day free trial, no CC	Varies by plan	Varies by plan	Varies by plan	Varies by plan
Bulk Send	Yes, Business Premium	Yes	Yes	Yes	Yes
Audit Trail	Yes, exportable audit reports	Yes	Yes	Yes	Yes
HIPAA Compliant	Yes, BAA required	Varies by plan	Varies by plan	Varies by plan	Varies by plan
Envelope Cap	No envelope cap	100 envelopes/user/year	No envelope cap	No envelope cap	No envelope cap

Feature availability comparison

Quick binary and capacity view for commonly requested features across signNow, DocuSign, and Adobe Sign.

Feature / Vendor	signNow (Recommended)	DocuSign	Adobe Sign
Bulk Sending
Mobile Apps
Advanced Certificates
Envelope Limits	no cap	100 envelopes/year	no cap

Real customer examples

Two real-world cases that show how signNow helps teams surface and verify digital signature details while improving turnaround and compliance.

Optica Ventures — Brian Fitzgibbons

Optica Ventures used signNow to send investor agreements and collect validated signatures quickly.

• The platform provided a simple signing experience and clear audit reports for each signer.
• That reduced follow-up emails and manual checks, saving administrative time and improving accuracy.

Resulting in "The interface is simple and easy-to-use for our team; more importantly, it is just as easy for our customers."

Xerox — Kodi-Marie Evans

Xerox integrated signNow with NetSuite to automate contract signing and record-keeping across departments.

• Integration preserved signature metadata and syncing of signed PDFs into finance workflows.
• This eliminated manual uploads, improved compliance, and shortened approval cycles for purchase orders.

Leading to greater process consistency and the flexibility to get the right signatures in the right formats.

FAQs and troubleshooting

Common questions about seeing and validating digital signatures in PDFs with step-by-step fixes and configuration tips specific to signNow.

• Cannot see signature details in PDF
  Confirm you opened the PDF in signNow viewer or a PDF reader that supports digital signature validation. If using a browser, clear cache and open the document from your signNow Documents list. If the viewer shows a generic image instead of a certificate, download the signed PDF and open it in a desktop PDF reader (Adobe Reader or similar) that displays certificate information.
• Signature shows as invalid or modified
  An invalid status often means the PDF was altered after signing or the certificate chain cannot be validated. Check the audit trail for post-sign changes and ensure the signer certificate is trusted. If the document was flattened or re-saved through another tool, restore the original signed file from signNow's document history to verify the original signature.
• Missing certificate chain or signer identity
  If certificate metadata is missing, open the audit report in signNow to view signer authentication events, or download the signature evidence file. Ensure the signing workflow included an authentication method that records identity (email, SMS, or two-factor) so the audit trail contains proof of signer identity.
• PDF viewer does not show timestamps
  Timestamps are recorded in the signNow audit trail and embedded in signature metadata; if a third-party viewer omits them, view the signNow Audit Report or download the signed PDF and open it in a fully featured PDF reader to see the timestamp details.
• Signatures missing after download
  Ensure you downloaded the final signed document from the signNow document page, not an earlier draft. Check the document history to confirm completion, and use the Export Evidence option to retain the audit report along with the PDF.
• How to confirm compliance for regulated records
  Use signNow's audit trail, authentication logs, and the exportable evidence package to demonstrate chain-of-custody. For HIPAA-protected records, ensure a signed BAA is in place and use account settings that enforce required authentication and retention policies.

Best practices for signature verification

Practical recommendations to ensure PDF signatures are visible, reliable, and legally defensible when using signNow in business workflows.

Use strong signer authentication

Require SMS or email multi-factor authentication for high-value documents so signer identity is recorded and easier to validate during later certificate checks and audits.

Preserve original signed files

Store the final signed PDF and the signNow audit report together in encrypted cloud storage to maintain evidentiary integrity and facilitate legal or compliance reviews.

Standardize templates and fields

Create and use templates for recurring forms to ensure consistent field placement, required signatures, and built-in validation so signature metadata is captured uniformly.

Train users on viewing signatures

Provide simple guidance for staff and recipients on how to open signatures in signNow, download evidence, and interpret audit trail entries to reduce verification errors.

Who relies on PDF signature visibility

Organizations across real estate, healthcare, finance, legal, education, and construction use visible PDF signatures to speed transactions and meet compliance.

• Real Estate teams use signed PDFs to finalize leases and closings without in-person signatures.
• Healthcare providers use signNow with a BAA to collect patient authorizations and consent forms securely.
• Finance and Legal teams rely on embedded certificates and audit trails for contract and regulatory evidence.

These industries benefit from signNow's combination of signature visibility, audit reporting, and integrations that move signed PDFs into core systems for recordkeeping and retrieval.

Typical user roles

IT Administrator

Configures signNow account security, single sign-on, and API integrations. They enforce authentication policies, manage retention settings, and ensure exported signed PDFs and audit reports are stored in encrypted enterprise repositories for compliance.

Business User / Manager

Creates templates and sends documents for signature, reviews audit trails for completed agreements, and coordinates with legal or compliance teams to ensure signature evidence meets internal controls and regulatory retention requirements.

Managing audit trails and evidence

Actions to preserve, review, and export signature evidence for legal or compliance purposes when using signNow to sign PDFs.

01

Open Audit Trail:

From the signed document, choose Audit Trail to view signer events and metadata.

02

Download Evidence:

Export the audit report and signed PDF as a packaged evidence file.

03

Verify Signer:

Check authentication method, IP address, and timestamp entries for identity assurance.

04

Archive Files:

Move signed PDFs and evidence to encrypted cloud storage with access controls.

05

Generate Reports:

Create batch reports for multiple documents to support audits and compliance reviews.

06

Restore Originals:

Use document history to recover original signed versions if accidental edits occurred.

Timing and retention considerations

Typical timing triggers and retention windows to plan for when managing signed PDFs and their associated evidence in signNow.

Contract Renewals:

Start notifications 30 days before renewal date

Retention for Compliance:

Retain signed records for seven years

Document Access Review:

Review access controls quarterly

Audit Report Export:

Export evidence at signing completion

Backup Schedule:

Daily encrypted backups recommended