There are a few options. ComiXology has a decent collection. Also, Webtoons sometimes has manga available. Just make sure to check the licensing and legality.
Yes, mangas can be considered graphic novels. They share many characteristics such as being a combination of text and illustrations to tell a story. Manga typically has its own unique art styles and narrative structures, but like graphic novels, it uses sequential art to convey a plot, develop characters, and create a fictional world.
Yes, there are. The Pokemon mangas present diverse plots and art styles, giving fans more ways to enjoy the Pokemon universe. You can find them in comic stores or online platforms.