As a manager you can view all calendar events for the accounts, offices, and brokerage you manage. To view other calendars, click on the button at the top right of the calendar. Click Managed Account to view the calendar for an account you manage, Office to view the calendar for an office you manage or Brokerage to view the calendar for the entire brokerage.
If you select account or office a pop up will come up asking you to select which account or office you would like to view.