I have read where questions can be disabled globally, but I have a set of spaces I would like to disable questions from being asked. Is this possible to do via stylesheets or somewhere on a per-space level?
Confluence 6.13.7 server
Thank you for raising this with us. It's only possible to modify the global permissions for Confluence Questions, but not on individual spaces.
I can really see how that would be helpful, however, so I raised the feature request below:
Please vote on the request and you will automatically be added to the list of watchers for this. You will receive updates going forward if there are any changes.
Let me know if you have any questions about that.