Display card replacement in MacBook pro

I have a MAcBook Pro early 2011. Installed FamilyTree 8 but in one option the print button is greyed out. I am told that it is due to an old display card. The program support unto MacBook pro 2012.

Need to know if there is a possibility to change the display card. I so which one is compatible with my MacBook?

NOTE: Apple says that the max RAM this can have is 8 GB but I have upgraded to 16 GB with 2 8 GB modules. keeping this in mind I am quite positive that there must be a way to change the display card (if it is not built-in).

Thanks