Great.  Welcome!

Have you reviewed the webinars and academy courses for Perform?

https://totara.community/mod/book/view.php?id=11764&chapterid=411
https://totara.community/mod/book/view.php?id=11764&chapterid=434
https://totara.community/mod/book/view.php?id=11764&chapterid=442
https://totara.community/mod/book/view.php?id=11764&chapterid=345
https://totara.community/mod/book/view.php?id=11764&chapterid=390

Essentially you can create a questionnaire and assign that to the relevant audience (I use that term to include audience, position, or organisation).
The subject's manager (the subject being the user that is sent the questionnaire) can then review the results as an export.

Have a look and let me know if you have any questions