All PDGA rules apply. A Minimum of 3 players. However, if only 1 person shows and they have played in 4 or more tour events they will receive all the bonus payout for that division. They can then choose to play in a different division for the B-tier payout. All PDGA divisions assuming a minimum of 3 players.
Professionals receive cash.
Amateurs receive merchandise of your choice. If you enter a pro division you either accept the cash and turn pro or decline the cash and remain an amateur. The cash will then be paid to the next place. This will be paid independently to the tour event bonus. This added cash will go to only the Professional divisions.