The LTI Outcome extension allows to manage results via LTI
The endpoint to preview a result by deliveryId and item reference:
https://YOUR_DOMAIN/ltiOutcomeUi/ItemResultPreviewer/launch?resultId=YOUR_RESULT_URI&itemRef=YOU_ITEM_REF
ItemRef can be easily find by delivery by the getQtiResults described here
The expected roles is:
Instructor