There any problem for visiting visa in Abu Dhabi

We would like to inform you that The validity of entry permits and the time frame within which the visitor should enter the country depends on the type of permit issued. The validity permit for visit visas, tourist visas and/or employment visas is 60 days from the issue date.
The UAE embassies do not issue tourist visas. In order to get a tourist visa to the UAE, you need to get in touch with one of the UAE-based airlines, a tour agency or a hotel (where you intend to stay) in the UAE who will apply for visa on your behalf to the official visa-issuing authorities in the UAE
Licensed travel agents and hotels in the UAE can arrange a tourist visa for you provided you purchase the ticket through them and maintain hotel reservation with the specific hotel