Yes, a PET scan is a picture, like here:
https://imaging.cancer.gov/imaging_basics/cancer_imaging/nuclear_imaging.htm
There is also a written eport, like here:
http://usarad.com/pdf/PET/PET-CT3.pdf
U.S. law says that you have the right to see all of your medical records.
https://www.youtube.com/watch?v=JY1l5s8ED5c
Good luck.