No, Transformers Prime is an animated series and doesn't have the ability to 'watch' fanfic. Fanfic is something created by fans for fans to read, and the Transformers Prime entity doesn't have the sentience or function to engage with such written works in the way a human or a sentient being capable of reading would.
The main distinction of porn with a story genre from regular porn is the presence of a coherent narrative. Regular porn often jumps straight to the sexual action, while the story genre tries to add some kind of story framework around it. But in the end, both are adult-oriented and feature explicit sexual content.
Well, it's hard to say for sure. The concept of 'porn-like' is quite subjective. Some might consider certain novels with excessive sexual descriptions as such, but it depends on individual perspectives and cultural standards.
In many places, 18+ porn comics are considered illegal. This is because they can have a negative impact on society and violate moral and legal standards.
The novels are important for the franchise as they offer different perspectives. They can tell a story from the point of view of a minor character, which can be really interesting. Moreover, they can fill in the gaps between different installments of the movies or shows. For example, if there's a time jump between two seasons of an animated series, a novel can explain what happened during that time. This helps to keep the overall story of the Transformers franchise more cohesive and engaging for the fans.