To use BlueJeans Studio, the webinar has to be an Event, not a Meeting.
https://help.docebo.com/hc/en-us/articles/4408121729554-Docebo-for-BlueJeans-V2
https://support.bluejeans.com/s/article/BlueJeans-Studio
I set up a demo account to test, and it looks like Docebo can only create Meetings. Is this the case?