“What I'm wondering about is would using an all-in-one suite like Ozone (regular) bring anything to the table versus using individual plugins? I ask because I have a loyalty offer of a crossgrade from any iZotope product (and I have several) of $69 US (which is good until the end of this month) for Ozone 9. “
What did I fail to grasp? You mentioned Ozone twice in that question.
I suggested downloading and seeing for yourself.
Ozone Advanced and Standard are essentially the same with the exception of some additional features
https://www.izotope.com/en/products/ozone/features.html
Google is your friend