Client-Side Report window
When the user scrolls down to view the bottom of the page, the content scrolls but the controls stay at the top of the page.
Server Side
The viewer is rendered to display the entire page, but it displays in a smaller IE window. When the user scrolls down to view the bottom of the page, the viewer controls are no longer accessible at the top of the page, requiring them to scroll back up to use them.
SAP Run time 13.0.7