Many people will correct you to get the term perfect . The permission we get to enter The country is in fact a visa exemption for 60 days. It used to be 30. 
probably too late for the person concerned to arrange a long term visa. If they cannot get a tourist visa it is better to be denied at an embassy rather than a port of entry
The ask:thailand community, consisting of multiple Q/A groups with over 100,000 members, powers this platform. It is not an official government resource. Our members actively contribute to this resource, and while we strive for accuracy, we cannot guarantee its complete reliability. Assistance to travelers is provided as a community service.