If you have annotated a document, and then learn that it has been updated in the Board Pack with a new copy, you can find your previously annotated copy on the bottom panel.
Click on ^ Previous Copies to open the panel and see the earlier versions you have marked up.
Only previous annotated copies and Marked as Read are shown
You can annotate a previous copy, print or download it.
At the bottom of the previous copy is a link to open the latest version.