Issue to view with some pdf

Hi, i have the same version about Adobe Reader DC in some clients and in some pc i see correctly some specifics pdf and in other two a i see them wrong. I attach here 3 screenshots, two about version and example where i see it wrong(1.jpg and 2.jpg) and another one with a red 'C' with the version where it works fine(adobefunzionante.jpg). In the client where i see this pdf wrong, if i opne its with Microsoft Edge they can see correctly.

Thank you very much

Best Regards