user guidance

we are trying to move our user guidance from confluence to another platform. right now, it's just links that open the pdfs or ppts uploaded on to the site. i would prefer if we had something where the guidance was no longer in files, but actually on a website (kind of like a blog post). we considered stack overflow and now we are considering sharepoint online but sharepoint would 100% be the same situation with files to my knowledge. i suppose i'm looking for ideas, suggestions and examples of what's out th