Ok, I admit the low score is partly because I had much higher expectations, given the cast, but...
The characters are boring and generic, and without quirky characters you can't have a good workplace sitcom. The leads' chemistry can only be described as "people who have known each other for a while", and the banter sounds like it was written by an AI trained on unaired pilots.
I've just watched three episodes, and I can barely recall what was happening in them, except that one of them is about Halloween. It wasn't interesting or engaging enough, and I think I've smiled exactly once. Unlike Brooklyn 99 or Superstore, which manage to combine funny and absurd shenanigans with a social commentary, this show manages neither.
Knowing that the actors are good, I'd definitively say the problem is the writing, both the dialogue and the plot. It might get good by episode 10, but I don't have patience for that.