All mail items that require processing are displayed as red numbered notifications in the sidebar on the left. These notifications will tell you how many scans, shreds, and forward requests you have pending.
To view your notifications simply:
1. Go to the sidebar you find on the left
2. You will find different icons representing different requests with appropriate tags for ease of access. For example, the arrow icon represents forward requests.
3. Clicking on a specific icon, i.e. the shred icon, will bring you to all of the mail items shred requests you need to process