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In WebViewer annotations can be created both through the UI and programmatically.
Annotations allow users to mark up and comment on PDFs without altering the original authors content.
PDFTron SDK Benefits include:
Importing and exporting annotations
To import and export annotations with a PDF document.
To create annotations programmatically with a PDF document.
Add custom annotations
To create custom annotations programmatically with a PDF document.
A short introduction to XFDF file format
An introduction to XFDF file format.
To control which users can modify which annotations.
To listen for annotation events and handle various callbacks.
An introduction to annotation tools.
Custom annotation tools
To customize annotation tools for grouping, enable/disable, style changes, or behaviour enhancement
Default tool styles
To customize the default annotation style properties of tools.
Get the answers you need: Support
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