PDF annotations are a combination of a markup drawing and a comment. You can attach text, video or audio to the comment.
PDF Annotation Interface
When viewing a PDF, toolbars will appear at the top and bottom of the document. The functions of each button, displayed left to right, is outlined below.
Top PDF Document Toolbar
- Sidebar toggle – Open a panel that shows thumbnails of each page
- Search – Look for keywords
- Navigate pages – Use the arrows to jump between pages, or enter a page number
- Zoom – Use the [–] or [+] buttons to zoom, or select a zoom preset
Bottom Annotations Tool bar
- Arrow – Draw an arrow annotation
- Dot – Draw a dot annotation
- Circle – Draw a circle annotation
- Rectangle – Draw a rectangle annotation
- Highlight – Highlight text
- Strikethrough – Cross out text
- Free hand drawing – Draw any design
- Pan – Hover cursor over a drawing to jump to
the comment, or drag the PDF page to navigate - Trash – Click on a drawing to delete it
- Move – Click to move or resize a drawing
- Toggle text – Hide (or show) text attached to drawings
- Toggle drawings & text – Hide (or show) all annotations
- Fullscreen – Expand the PDF to fill the screen
- Undo – Discard your most recent change
- Redo – Bring back your most recent change
Add an Annotation
- Select an area in the PDF by using the arrow, dot, circle, rectangle, highlight, strikethrough or free hand drawing tools and a new comment box will pop up.
- Decide on the type of annotation you want to add:
- Click Save
Reply to an Annotation
- In the right panel, click on the Reply located below each annotation comment.
- A text box will appear for you to reply with text, audio, or video.
- (Optional) Check the box beside “Private” if you only want the author of the comment to see your reply
- Click Save