Issue: Will my professor know it’s me? 

No, these evaluations will never be tied to your name. Professors get a anonymized list of evaluations (ie: 10 people said they “strongly agree”, 8 said they “agree”). Even these anonymous results are not released to the professors until AFTER grades are in. 

What does the “send proof” button do?

It sends an email to your Professor confirming that you have filled out an evaluation. It does not reveal what you said. Nor will it be tied your name to the evaluation in the future. 

When will my professor see these? 

After the grading deadline. Your evaluation will NOT affect your grade. After the grading deadline an anonymous summary of the evaluation is released to the professor. Ie: 10 people said they strongly agree, 8 said neither agree nor disagree etc...