all depends on the project management team, if the project management team has behaved strangely, then the bounty manager also cannot do anything, because the job of a bounty manager is to manage and pay from the bounty hunter.
Even they don't have the right to pay bounty hunters. The bounty manager job is to manage the campaign in the best way, and then the bounty manager will send the work results to the project and the project will make payment. It all depends on the project and the bounty manager is just a bounty hunter