You're testing Waldo and now, you'd like to get some feedback from your users? This topic may help you.
First, take a moment to think about this great quote from Margaret Mead, anthropologist.
Then, try to make the difference between the flexwork approach (work from home, work at the office), your company's flexdesk approach (book a desk versus fixed desk) and the Waldo app you're testing. These are three different (but related) topics.
And again, keep in mind that what people say, what people do and what people say to do are different things :).
Here are some "golden questions" you may ask to users (not too closed, not too opened, qualitiatives and quantitatives).
Of course, the best is to ask users, face to face, what they think. But you may not have enough time to do that :).
Some questions for you poll
HOW TO CREATE YOUR POLL?
You can use Microsoft Forms to create your poll.
Have a look here: https://www.microsoft.com/en-ww/microsoft-365/online-surveys-polls-quizzes
See attached some images you can use for some questions in you poll.