Likert Survey General Comments

How does the general comment box become saved in a Likert survey? I am needing to add a space for written feedback, and have been unsuccessful in saving the box to the survey as an option.

Information about the Join Code

I have random students who can not access the course due to a "join code" that we do not use for the course. Have tried to reset password, use a different browser, confirmed the course is publishe...