Do documents written by study abroad agencies have intellectual property rights?

Yes.

Documents belong to the category of copyright and are owned by intellectual property rights.

The rights that people have to their intellectual achievements created through mental work. It is exclusive, regional and temporal. It is divided into copyright, patent and trademark rights, among which patent rights and trademark rights are also called industrial property rights. The state uses the intellectual property system to protect people's creativity, encourage technological inventions, and develop scientific and cultural undertakings.