I get asked this all the time in my book club chats: there are a few legitimate, free ways to sample 'Critical Role' comics online, but full official runs are usually paid. Dark
horse, the publisher behind 'Vox Machina Origins', often posts preview pages or the first issue as a digital sampler on their site or at conventions, so
you can get a taste without spending. ComiXology sometimes runs promotions where an issue or two is free, and Humble Bundle occasionally includes Dark Horse collections in pay-what-you-want bundles — those pops of generosity are worth watching for.
Another trick I've used more than once is the public library route: apps like Hoopla and
Libby/OverDrive can carry Dark Horse comics for digital borrowing, which means you can read entire issues legally at no cost if your library has them. Outside official channels, the community creates fan comics and short web strips on Twitter, Tumblr, and Reddit; they’re fun, free, and often very creative, though not official canon. I like snagging previews, borrowing through my library, and supporting creators when I can — that keeps more stories coming, and that’s what makes me
smile.