There are different methods to transfer your image to paper and it’s a common practice especially for realistic painting. I use carbon paper between my black and white photograph and my yupo paper. I use a black and white photo so I am forced to focus on values rather than colors or hues. As I find values (lights and darks) critical in my paintings I appreciate every opportunity to observe them in my reference photo.
In this video by Lisa at Lachri, she uses transfer paper between tracing paper and her surface. This video is using acrylics with a background put down first and then white transfer paper so it can be seen.