When you use the Office2007Blue theme the DocumentViewer's vertical scroll bar doesn't show properly.  It's very easy to repro... just create a project and add a document viewer to it while using the theme.

Known issue?  Fix available?

Hi Craig,

This has been confirmed as a bug, and a fix request was submitted to the development team. We will post an update in this forum thread when a fix becomes available for download. Thank you for bringing this to our attention.