As a supervisor, you get a custom report each month with total progress and total requirement progress for each of your apprentices. You can access that report in your reports section:
Your apprentices (and you) can see their own report, which is more detailed as it's dedicated to them. It includes all of their monthly submissions as well as their total progress. To see a detailed report on any assigned apprentice, go their account, click on Reports, and select their latest, detailed progress report.