We would like to set a limit for staff attendance modification in a month. Is it possible?

Yes, You can set the following limitations to staff attendance modification at a branch level.

Threshold percentage – This is the percentage of value we will mention, that the principal can modify the attendance branch wise
Max Days – The Max. number of days, the principal can modify the attendance with respect to early leaving and late coming in a month.

Allowed Staff Modified MaxDays – The Max. no.of days that the staff attendance can get modified in a month.

Path: Settings/ HR / Staff Attendance Approval Settings