This was a pretty typical small venue - PBR experience, though the event was shorter than I remember other PBR events being.
I usually go to cheer for the bulls. It is much more fun if you go to the PBR website before the event and learn about how scoring works, why bulls are selected to be PBR bulls, etc.
We sat in a section that had a view of the bull pens. It was much more entertaining than just waiting for rider after rider with no view except the MC and his little dances.
I recommend springing for seats where you can see the bull pen. They will be opposite the cheapest tickets in the arena. For example, if this were a concert, the riding area is where the fan pit usually is, and the bull pens are where the stage is usually set up.