In FlexViewer, the hamburger menu can be opened using the hamburger button which appears on the extreme left of the toolbar. The hamburger menu helps provide a consistent navigational experience in the FlexViewer control, thus enhancing the overall user experience. It opens a menu containing the following options listed in the table below:

Command Button	Description
	Allows you to open a document in the viewer.
	Allows you to export the opened document to different image formats.
	Allows you to rotate the view of the opened document by 90 degrees in counter-clockwise direction.
	Allows you to rotate the view of the opened document by 90 degrees in clockwise direction.
	Allows you to print the opened document.
	Allows you to close the opened document.