Hi Matthew,
Thanks for the interest in Eventbrite Tickets. I can help out.
The Eventbrite Importer can import any public event and would show the ticket box if checked on your site, which enables visitors of your site to start the ticket purchase process on your site.
However, the ticket purchasing process is 100% in Eventbrite so there is no way to import an event from someone else’s account and charge a commission.
The Eventbrite plugin is a way to sync data with your WordPress site and to create your own events in Eventbrite it does not have any ticket processing capabilities it sends you back to Eventbrite to do that.
And yes you can run WooCommerce Tickets and Eventbrite together. I have them running on my test site and they are not causing issues, but they are still separate add ons and tickets created in one are not shared with the other.
Let me know if you have any follow up questions.
Thanks