The Hunting License is required for Bounty Hunts. This guide on Where To Find Hunting License On Town Center In PvZ Battle For Neighborville will do exactly that, tell you where you can obtain the Hunting License for yourself so you can complete in the Bounty Hunts for more Medals.
Where To Find Hunting License On Town Center In PvZ Battle For Neighborville
As with many of the different things you can unlock in the Town Center, the Hunting License is locked behind a quest. Head to this location and speak with Air Ron. Don’t worry, you don’t have to actually complete the quest.
Once you start the quest Air Ron introduces you to the Bounty Hunter system. He also gives you a Hunting License so you can interact with the various Bounty Hunter stations on the map.