How to conform video with Mask transitions?

Hi, I want to ask you what your process looks like when you have to color grade a video that contains a lot of cut out/mask transitions (for example, red bull, nike, etc action video - I mean something like this:

The video is edited in premiere and after effects, the colors should be done in davinci resolve. How do you do conform timeline to such a video or deal with prores?

I hope I made myself clear thank you very much