Rotate View (View menu)
Select Rotate View to activate the Rotate View submenu, as below:
Selecting the "Clockwise" submenu item will rotate the document 90 degrees clockwise. Conversely, selecting the "Counterclockwise" submenu item will rotate the document 90 degrees counterclockwise.
This article refers to Able2Doc, Able2Doc Professional, Able2Extract and Able2Extract Professional.