Some popular Archie Sonic Graphic Novels include 'Sonic the Hedgehog: The Complete Sonic Comic Encyclopedia'. It's a great read as it compiles a lot of information about the Sonic universe in the Archie comics.
Most of them are suitable for a wide range of ages. They generally have a lot of action and adventure that kids can enjoy, like Sonic running around and fighting bad guys. However, some of the more complex storylines might be a bit difficult for very young children to follow.
Some popular ones include 'Sonic the Hedgehog: Endgame'. It had a great storyline that brought a major arc to a conclusion, with Sonic facing off against his most powerful foes yet in a really exciting way.
In general, the canonicity of Sonic Archie Comics is debated among fans. Different storylines and events within the comics may or may not align with the main Sonic franchise canon, depending on various factors and interpretations.
Archie Sonic comics have their merits. The storylines are often engaging, and the art is decent. However, it depends on your personal preferences for comic styles and themes.
The status of the Sonic Archie Comics as canon is a matter of debate. Different fans and official sources may have different views. Sometimes, certain characters or events from the comics might be referenced or integrated into other Sonic media, suggesting a degree of canonicity, but it's not a straightforward determination.