Who is permitted to create surveys?

By default, any user is permitted to create surveys.

How many surveys can be activated for a page?

Each page can only be part of one survey. If a page is already included in a survey and a different survey adds this page, the page will become part of this survey instead.

What happens to the feedback results when the content survey macro is manually deleted from a page?

If the user feedback macro is manually removed from a page, there is no chance for any user to submit feedback for this page. Prior feedback is maintained and still shows when evaluating the survey. To re-enable feedback submission, the macro must be manually added to the page again.