The PDF Viewer provides a tabbed interface with options similar to those found on desktop PC's. The tabs in the PDF Viewer are File, Home, Review, and Protect. Additional Highlight, Underline, Strikethrough, and Freehand Draw tabs will appear to coincide with the tools used in the Review tab.
The topmost menu of the PDF Viewer provides several options:
|Save any changes made to the PDF.|
|Undo the most recent change made.|
|Redo the most recent undone change.|
|Enable Viewer mode.|
|Up/Down arrow toggles visibility of the interface.|