When you give access to a third party to answer questions in an assessment they get access to all the questions in an assessment.
They can answer questions, add notes, add evidence and create custom actions.
When they complete the last question in the assessment they can select the "Done" button. This will take them to the assessment dashboard where they will have access to the overall results of the assessment.
From here they can select "control questions" and go back to the assessment question list.
Your assessment contributor will not be able to access the platform if you don't use the correct email case.
The email case you use when you add a third party email account must match the SSO system which they will authenticate from.
Potential future system ameliorations for this issue are limited without breaking our security protocols. This is because: