How to add attachments in approval in progress requisition

Summary:

Content (please ensure you mask any confidential information):
Hello,

We have requisition in approval stage , now one of the approver had asked us to add certain details in attachment. I am able to add the attachment however when i go back it asks me the save where i am unable to see any option to save . Also now the attachment isn't visible as well.

can someone help me on this please ?

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

24a

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