Supported Annotation Types
Document Engine supports all common annotation types:
- Link
- Highlight, Underline, Strikeout, Squiggle
- Text
- Callout
- Ink
- Ellipse, Rectangle, Line, Polyline, Polygon
- Note
- Widget (requires the Form Filling component)
- Image
- Stamp
- Redaction (requires the Redaction component)
- Media
These are standard annotations (as defined in the PDF Reference) that can be read and written by many apps, such as Adobe Acrobat and Apple Preview.