Provide functionality allowing a document to be thumbnailed. The customers should be able to export a document to an image.
With a workaround this could already be done: Save/Export the first page of the document as a PDF memorystream and then get the Thumbnail via ThumbnailFactory. Something like this: http://www.telerik.com/forums/create-pdf-from-radflowdocument#Db0uvekbhE6RB0mILQiruw