Hi could someone give me advice on PIP appeal

I have no representative btw.
Have completed Mandatory reconsideration and provided related evidence.
1/ will my previous evidence and doctors reports be forwarded to the appeal by DWP ? Or do I need to produce this again for the Tribunal.
2/ Is it ok to go for Paper hearing or is Oral far more successful. Bear in mind the stress with Oral face to face .
Thnx in advance .