(I edited the font of your post, it was using huge fonts)
Yes of course, in a life cycle you will typically have many different locations combined.
If you are asking whether to directly compare two datasets from Global and Rest of World location, then this is of course also possible but you should be aware of the differences. This is of course always the case, but here, RoW is just the difference between a global dataset and the other datasets for the same product from specific other locations. Since you do not write more, the simple answer is: yes, you can.