In order for Team Page Downloads to be accessed from the front end Team Detail Page, you need to make sure you add Group Page Access for Public in onCampus. To do this, you will need to do the following:
1. Go into > onCampus > Settings > Group Page Access 2. Select Teams 3. Click Add Access 4. Click on More Roles 5. Mark the box for Public 6. Select Add Access
This will allow visitors to your front end site to download any Team Page downloads you might be sharing to the Team Detail Page.