The first thing to check is this very documentation site. Make sure to use the search feature, and have a look through the articles and frequently asked questions.
If you have discovered a bug, then you can create an issue or pull request on GitHub. Thank you for helping us improve!
We are considering introducing premium support focused on studios and agencies. Please let us know if that might interest you.
Your pre-sales questions are most welcome here, though we ask that you do not use this for support questions.