Using shortcuts smartly can speed up your workflow.
1) Home Page
F11 Enter / Exit full screen
PgUp(↑) Go to previous page
PgDn(↓) Go to next page
Ctrl + P Print files
Ctrl + S Save files
Ctrl + O Open files
Ctrl + alt + H Highlight texts
Ctrl + alt + U Underline texts
Ctrl + alt + S Strikethrough texts
Ctrl + alt + Q Squiggly texts
Ctrl + C Copy selected texts or pages
Ctrl + V Paste selected texts or pages
Ctrl + X Cut the selected annotations
Ctrl + shift + Z Redo
Ctrl + F Quickly navigate to the search box
Delete Delete the selected annotations
2) Page Edit / Thumbnails
Delete Delete the selected pages
Ctrl + R Rotate the selected pages clockwise
Ctrl + L Rotate the selected pages counterclockwise
Ctrl + C Copy the selected pages
Ctrl + v Paste and insert the copied pages