The Page Preview
Page Preview shows a thumbnail view of the current document in the Sidebar.
Using the Page Preview
The thumbnail view lets you page through a document quickly while keeping the current page in view in the main window. Just click a page in the thumbnail view to replace the current page in the main window. Select one or more pages to apply the desired functions to only those pages.
Customizing the Page Preview
Choose Page Preview Options 
Increase Preview Size or Page Preview Options Decrease Preview Size to change the size of the thumbnail view.
See also
