If a Requirement has been Declined and now needs to be Approved you can now Approve a Declined Requirement.
From the Employees Profile tap on the Requirement that you would like to Approve.
Tap on the most recently Declined Submission and tap on 'Re-adjudicate'.
Once you tap on 'Re-adjudicate' you will see the information surrounding the most recent submission and you can tap on 'Approve' to Approve the requirement. You can enter an Approval Message if you want to or simply click on 'Submit'.