The due date change is possible under the issue module for Auditee, Respondent, Auditee reviewer if due date change has opted while configuring the audit type. This feature also allows the Super Admin to set the number of instances for the auditee to modify the due date. Due date changes opted does not have any approval workflow built now, basis on the need approval workflow can be built.
Please refer the link for more details.
https://drive.google.com/file/d/14Ih5XXCshK-NnRXVDwxd-x4TcRzxp282/view?usp=sharing
