Tourist visa has a validity of 14 days and u can extend up to another 14 days. So he can stay here for 28 days only.
Visit visa is valid for one month from the date of arrival. On arrival in Qatar before he completes one month, he has to undergo medical tests. If alls well in the medical test then u can extend his visa for five more months. That is he can stay here for six months from the date of arrival in Qatar and can further be extended to 14 days.
No, visit visa and tourist visa is not same.
Tourist visa has a validity of 14 days and u can extend up to another 14 days. So he can stay here for 28 days only.
Visit visa is valid for one month from the date of arrival. On arrival in Qatar before he completes one month, he has to undergo medical tests. If alls well in the medical test then u can extend his visa for five more months. That is he can stay here for six months from the date of arrival in Qatar and can further be extended to 14 days.