I belive you know this already, but in case you don’t. Scribd.com is a much better view to share documents than the normal upload-the-pdf and wait-for-it-to-load-method.
You can see the previews here ( I was experimenting with http://www.decisionstats.com/drupal in the middle of some finishing some models and creating software robots projects-
http://decisionstats.com/drupal/node/3
or can actually see the full effect here
