Follow the below path to update the payroll attendance rules

Settings ---> HR Plus ---> Payroll Attendance Rules

Note: Week off rule yes means, If any staff is absent before the week off day and also after week off day. The week off day will also be considered as absent.In the other case, week off day will be a paid day.
HoliDay rule yes means, If any staff is absent before the HoliDay and also after HoliDay. The HoliDay will also be considered as absent.In the other case, HoliDay will be a paid day.