According to frederick, what is his role as a monarch? what reforms did he enact?

An absolute monarchy in which the ruler follows the principles of the enlightenment by introducing reforms for the improvement of society, allowing freedom of speech and the press, permitting religious toleration, expanding education, and ruling in accordance with the laws. This is best shown in Joseph, ruler of Austria, but Catherine the Great of Russia and Frederick the Great of Prussia are also known as enlightened rulers.

It might be the second one