While the phrase "interesting paper" is a bit ambiguous, it likely refers to one of the following official book or activity products associated with the movie: Interactive Books & Activity Papers
"Mascotas 2" (known as ) is a popular 2019 animated comedy that continues the adventures of Max, Duke, and their animal friends. Mascotas 2
If you were looking for information about the movie itself, here is a quick summary based on IMDb and Wikipedia : While the phrase "interesting paper" is a bit