How to see workdays that an employee missed?

You can easily view all workdays missed by a particular user, just do the following:

1. Go to the Time Off Requests page. 
2. Turn on the Show missed workdays option.
3. Check a required employee name in the Team filter and click Apply Filter. 
4. In the date picker, you can choose a time period you need. 

You can also see all the workdays that your employees missed on the Time Off Calendar. They are marked with a yellow color and are displayed on the calendar by default.

To no longer show the missed workdays on the calendar, just uncheck this option.