Hi Michael,
My full time job is a Property Manager for condo associations and I am also an Air BnB host. I would be very hesitant about buying a condo with the intentions of using it as an Air BnB. I have seen dozens of different condo association declarations and I do not believe I have seen a single one that did not ban Air BnB. They may not outright ban Air BnB but they typically say something about transient tenants, short term leases, etc.
If you do get a condo I would make sure it is one the explicitly allows Air BnB and before purchasing I would get something in writing from the association board stating they are Air BnB friendly. Even if a building is Air BnB friendly it can still be a risk as board members change all the time and can relatively easily enforce no Air BnB's.
As an Air BnB host myself it sounds like you are looking to live in the condo and rent out a bedroom. Definitely make sure to check out prices in your area you are looking at for what only renting a bedroom goes for. If you are looking for a condo at a discounted rate, it will likely not be in a desired area so you would likely only get minimal prices/night and also higher vacancies.
I know condos get a lot of flack on here as rental investments but if you have a stable condo association condos can be good long-term rentals if you know how to properly vet the condo association.
Good luck with your search and feel free to reach out if you have any questions!