To return to the normal view of the document, press CTRL + L. Note: You can also set the full screen view preferences, to enable you to use the Esc (Escape) key to return to the normal view of the document.
How do I exit full screen mode in Adobe Acrobat?
To close Full Screen mode, press Ctrl+L or Esc. (Escape Key Exits must be selected in the Full Screen preferences.)
