Is there a policy on making a virtual headstone for someone who was cremated, ashes scattered or with family?
I'm not sure what you mean by a "Virtual Headstone"? I hope you know that you can create a memorial page for someone who, for one reason or another, is not buried in a cemetery (cremation/scattered ashes, burial/lost at sea, etc.).
See the FAQs page.
If this isn't what you meant, I apologize.