A Hue bridge is limited to 50 bulbs and we can (currently) only integrate with a single Hue bridge. Expanding beyond this has not been prioritized as I can only think of one user who has expressed a need for additional bridge integration.
I use Hue in my home, and did so before our integration. They’ll show in the Sense app exactly as you have them set up in the Hue app. So, they can be grouped as one room or broken out as individual bulbs. For instance, I have a ceiling fan with four bulbs in my living room. I just have this combined as ‘Living Room Lights’ in both Hue and thus Sense. If I wanted to, I could have this broken out into four bulbs. This, however, does mean that I can’t control them individually in Sense. You are able to do that in the Hue app, regardless of how they’re grouped. I’ve never really run into issues with this.
Generally, I’ve had no issues. I have a couple motion sensors and they seem to work great, as well as some time-dependent automations. The only thing I don’t like is that they’re a bit more costly than some other smart lights (namely, the cheaper clones that you can easily find on Amazon). Still, they last forever and I feel a bit more comfortable buying from Phillips rather than an unknown Amazon brand.
Hope that helps!