I'm not sure specifically as there could be many 'polar graphic novels' with different stories. It might be about adventures in the polar regions, like the lives of polar bears, penguins, and the people who explore those icy areas.
Mads Mikkelson brings his great acting skills. His presence alone can draw audiences. He can add depth and authenticity to the character he portrays in 'polar' which is based on a graphic novel.
Polar is not based on a comic. The story and world of Polar were crafted specifically for this particular project without drawing inspiration from any existing comic books.
People interested in environmental issues could also be the target readers. The 'polar book graphic novel' may use its story and visuals to raise awareness about the threats to the polar regions, such as melting ice caps, and inspire them to take action to protect the environment.
The 'polar book graphic novel' might have unique art styles. For example, it could use cool color palettes to represent the polar regions, like lots of whites, blues, and grays. The characters in it may be designed in a way that reflects the harsh yet beautiful polar environment.