Is it possible to customize or add new messages in the Reject Expense Report (Audit) ?

Summary:

Is it possible to customize or add new messages in the Reject Expense Report (Audit) ?

Content (required):

In the standard there is only 2 action reason in the list with a specific instruction for each reason

Our requirement is to add more action reason/Specific instruction in the drill down list when an audit reject the expense reports, please see the screenshot bellow for more details :

Version (include the version you are using, if applicable):

22B