Link: Advanced PDF eSeminar for ActionScript developers

“In short, you can build a GUI in Flex to skin the PDF and how the user can access the document contents. The PDF can contain images, text docs, or any Flex/Flash content (such as a video player or game). The Flex navigators are the GUI for how the user accesses the content of the PDF.”

Sound interesting? Check out more at http://www.flashcomguru.com/index.cfm/2009/11/11/pdf-for-flex-devs