Single Page button on the View bar; or choose Single Page in the View menu to display one page in the Document Panel at a time.Choose a display style from the View Menu or the navigation buttons on the right of the View bar.
Single Page
Click the Single Page button on the View bar; or choose Single Page in the View menu to display one page in the Document Panel at a time.
Continuous
Click the 
Continuous button on the View bar; or choose Continuous in the View menu to view the pages one below the other.
Facing
Click the 
Facing button on the View bar; or choose Facing in the View menu to display two pages side-by-side in the Document Panel.
Continuous-Facing
Click the 
Facing Page button on the View bar; or choose Continuous-Facing in the View menu to display side-by-side page pairs, one below the other. For longer documents, the first page is placed on the right, so that left and right pages all display correctly.
Important: In Single Page mode, the Edit > Select All command selects all text on the current page. In Continuous and Continuous-Facing modes, it selects all text in the whole PDF document.