If you want teams in your event to upload specific documents for your review, the below instructions will show you how to label the documents for the teams to upload.
Click the name of the event and click the "Basic Setup" tab.
At the bottom right, under "Team Document Uploads", you will see an area to type in the labels of the documents. Once entered, teams will be required to select one of the labels you provide when uploading documents.
Below is a view from the team's side when they upload the documents.