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1 | 1 | --- |
2 | 2 | layout: post |
3 | 3 | title: Add Digital Signature to PDF Forms in React PDF Viewer | Syncfusion |
4 | | -description: Learn how to add signature fields and apply digital (PKI) signatures in the Syncfusion React PDF Viewer. Includes step‑by‑step guide, multi‑user signing notes, flattening, and workflow best practices. |
5 | | -platform: React |
| 4 | +description: Learn how to add signature fields and apply digital (PKI) signatures in the Syncfusion React PDF Viewer. |
| 5 | +platform: document-processing |
6 | 6 | control: PdfViewer |
7 | 7 | documentation: ug |
8 | 8 | --- |
@@ -136,7 +136,7 @@ viewerRef.current?.formDesignerModule.addFormField('SignatureField', { |
136 | 136 |
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137 | 137 | ### Capture handwritten/typed signature in the browser |
138 | 138 |
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139 | | -When users click a signature field at runtime, the Viewer’s dialog lets them **draw**, **type**, or **upload** a handwritten signature image—no plugins required—making it ideal for quick approvals. |
| 139 | +When users click a signature field at runtime, the Viewer’s dialog lets them **draw**, **type**, or **upload** a handwritten signature image—no plugin required—making it ideal for quick approvals. |
140 | 140 |
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141 | 141 |  |
142 | 142 |
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@@ -186,7 +186,7 @@ To prevent rework, validate the PDF before enabling signatures: |
186 | 186 |  |
187 | 187 | - **Approver** – Ensures feedback is addressed and signs when finalized. |
188 | 188 |  |
189 | | -- **Final Approver** – Verifies requirements, then [flattens](../document-handling/preprocess-pdf#flatten-form-fields--annotations) or [Lock Signautre](https://help.syncfusion.com/document-processing/pdf/pdf-library/javascript/digitalsignature#lock-signature) to make signatures permanent and may restrict further edits. |
| 189 | +- **Final Approver** – Verifies requirements, then [flattens](../document-handling/preprocess-pdf#flatten-form-fields--annotations) or [Lock Signature](https://help.syncfusion.com/document-processing/pdf/pdf-library/javascript/digitalsignature#lock-signature) to make signatures permanent and may restrict further edits. |
190 | 190 |
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191 | 191 | N> **Implementation tip:** Use the PDF Library’s `flatten` when saving to make annotations and form fields permanent after the last signature. |
192 | 192 |
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