Unless I am an actual idiot;
Have the feedback given when an application be unsuccessful be given as a separate document or saved for future viewing.
Suggestion would be that in the case an application needs more added too it and the applicant doesn't keep a record of what they need to improve or change the document either provided separately so that it can be referred back too or as a screen that the applicant can still visit.
Ideally one should have taken note but it is what it is.