If you have not chosen to skip curation, you can view all Upload Sets that are pending curation under the Assets tab.
View Assets Pending Curation
Go to the Assets tab at the top of the page.
Scroll until you find the Curation Category.
Select Pending Sets.
You will see all Upload Sets with pending assets in a searchable table with a running count of accepted, pending, and reject assets at the top for easy reference.