Sorry for the super-late reply.
I don't get your question. Are you asking if this is a scripted show or a documentary? Because it's scripted. I mean it should be obvious, you have actors like Amy Poehler and also it isn't a "natural" documentary feel.
Anyways, after a weak 6-episode first season, P&R had one of the greatest turnarounds for a show I have ever seen. At some weeks during this year it was even better than The Office.