Voucher Mass Maintenance excluding vouchers for field replacement

We want to utilize field replacement functionality to replace Accounting date and the Budget Date with next accounting period date to close the period. Selection criteria is BUSINESS_UNIT, Open ACCOUNTING_DT and POST_STATUS is Unposted. On search system selects the more vouchers but on changing filter criteria to Field replace selection system remove 500 plus vouchers from the list. On my research found out all those vouchers excluded because they were with condition true for approved status A and voucher Approval flag is "W - Approval framework workflow". These vouchers should be available for the user to do the replace the