I mean, as a character, he's basically just an extremist and not significantly likeable despite being heavily responsible for the preemptive discovery of the Death Star. However, insofar as a significant moment for Star Wars media, he's a big deal coming from the TV series Clone Wars, into the proper films in Rogue One, and back into Rebels. Regardless of how interesting or not his character is, that is HUGE for the potential of seeing things in Star Wars that are pretty much non-existent in other media.
Like, it legitimately opens the door for things like Thrawn or Ahsoka to have a presence in a film, which is unheard of even for things like the MCU because of its one-way relationship with its shows. I think that the importance of Saw far overreaches the interest he has as a character to be sure, but I can't help but be incredibly stoked about him for that reason because of what it means for Star Wars media as a whole getting to utilize ALL of its characters in all its formats.
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