According to that diagram, no your board does not have a addressable RGB header. You should still be able to control the RGB using the button on the case if you've connected it all correctly. The addressable RGB header is nice because it allows you to use other software like ASUS Aurasync or MSI Mystic Light to control and sync all your RGB colors in one place.
Okay thanks for being patient with all my questions lol. Yes all the lighting is working nicely. Have everything connected and working except one thing. The bottom fan does not spin. There are only two fan cables that go to the motherboard, so how do you get the third fan to spin (lighting on it works) if there is no third fan cable to the motherboard? I did notice a male three pin cable kind of hanging free from the RGB cabling (but unconnected) but can't see how that can help me?
So close to being able to getting this going so I can do some temp tests and finally see the temp difference to my old case.