Can the approver access the approved Noncatalog Request?

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hi there, we have the following approval chain for the Noncatalogue training requests - Employee => Line Manager => HR. In the notifications that Line manager and HR person receive they have a link that leads to the submitted form. Before approving, they can actually change the data in the fields and Submit. Now, once all has been approved, a Line manager tries to access with the same link in the notification but is not able. Is that normal behaviour? I know I, as Learning admin have access from the back end and also we can check in the Transaction