If you can manipulate reality, you are riding in the right way!
Snapping photos around and picking the best might be a great start creating your first compositing. Previously, I described a couple of fundamentals; however, you can find everything on youtube.
Search for Adobe evangelists. They have proper channels with tons of tutorials regarding different combined techniques.
Going back to my horse today, a graphic designer has to know how to approach this technique because the ADV industry requires fictional scenarios for authentic products. You can find an example of what I m talking about In one of my last projects named NOA. Scroll down until you meet the caption “commercial.” A UFO next to the NOÀ laboratory is ready to steal the top ingredient while a couple riding a big bike keeps looking at the scene. Fantasy and reality combined to create a wow effect.