Can the approver change a value before approving in a Approval Rule?

Summary:

 the customer would like to know if, for example, during the grade change approval flow, it is possible to change the value before approving the transaction

Content (required):

During an approval flow, if an approver wants to change the value of the approval object, can this be done before approving the transaction?

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

22C

Code Snippet (add any code snippets that support your topic, if applicable):