A:Answer I don't know if the Lian Li comes with any PWM or RGB hubs, but assuming it does not: even with the commander pro, you would not be able to connect 9 fans. If you get the LL fans in the 3-packs, each 3 pack comes with a Corsair Lighting Node Pro. Each Lighting Node Pro comes with two USB connections, which you could connect to 2 Corsair RGB fan hubs. But you still need 9 PWM connectors to power the fans, and the Commander Pro only has 6.
In my opinion, Corsair has a great variety of products that allows for a lot of flexibility, but they also make it very hard to understand how all these components can be used together. For what it's worth, in my case, I have 10 Corsair QL120 fans, and I'm using a Commander Pro, RGB Hub, and Lighting Node Core (the Corsair naming convention is not very helpful). Because it's so confusing, I'm not sure what your best option is for connecting them. You could connect 2 of the Lightning Node Pros to 2 Corsair RGB fan hubs, then power the fans from the fan headers on your MOBO using splitters; or, for powering the fans using a Corsair product, add a Commander Pro and Lighting Node Core. Each of the Commander Pro and Lighting Node Core only have 6 PWM connectors. The Lighting Node Core has 6 PWM and 6 RGB connectors.
If you haven't already bought the LL fans, I'd recommend the QL fans 3-pack, which come with the Lighting Node Core, which is much, much better than the Lighting Node Pro that comes with the LL 3-pack.