You can check whether your org has approved this app at GitHub Settings -> Applications -> Authorized OAuth Apps -> JetBrains IDE Integration -> Organization access. You may need to approve this app in your own account first by connecting your own account in the Pull Request panel of any JetBrains IDE.
I will say, don’t hype yourself up. It’s actually not ideal. I still have to jump back to the PR pretty often for things like suggested change blocks in comments.
Company size: ~3000 people, multinational, many IT staff that audit these things closely and are alright with it.