Ermm I did a Hope Pro3 rear hub form my road bike back in September.
I don’t think it uses the same bearings as a Pro2. It was a bit of a faff finding the bearings and drifts. Some parts/ tools are the same such as freewheel pawls and seal sealing tool etc. I think I got a complete set of bearings form Merlin, but had to e-mail them to ensure it was a complete set including freewheel bearings as it wasn’t clear on the website. I do know I had to go to dif sources for the tools, and gave up trying to find a drive side spacer (the old one had cracked) and it is not the same as a pro2.
The whole process is the same, and the hope website has exploded diagrams with the required part nos.
So not much definite there, but should put you on the right road.