Exclusive agency members work on Upwork only as part of an agency. Their profiles and proposals will be branded with the agency to make the agency’s part in the work relationship clear to the clients.
Non-exclusive agency members can work on Upwork independently and as part of an agency. Users will be able to switch from exclusive to non-exclusive at any time, but the contract stays under the agency.
That's means that is not point to have an agency because they can leave and work by their own. They can submit proposals, talk with the client, do everything. The only difference is that the agency will received the money. Is that correct?
Yes, correct. But there is a hack i.e you can set your own email, phone and security question to exclusive team-members profile. It will make them actually exclusive to your agency.
Let's say I have an exclusive member working on a contract then she suddenly leaves the agency. That leaves me hanging as an agency. Is there an option to leave a feedback on freelancers as an agency owner?
It sounds like you and your agency member were unable to end your relationship amicably. Currently, there is no option for Agency Owners or Business Managers to leave feedback for their agency freelancers. However, I'll share this with the team as a suggestion so that it can be considered.