It's a simple tool that lets users generate content for various social media platforms from any online article using just its link.
Is it businesses? Is it individuals posting for their friends?
So I made a tool to make this task a bit simpler. I used conntent to generate my weekly newsletter yesterday. You can read it here: https://stemble.substack.com/p/indian-astronauts-embark-on-a...
To answer your question, people like me are the users.
But going back to the question in your post, I suspect the reason you aren't getting paying customers is that people/companies who are reposting content across social media already have established patterns to do it and there's not a value add of switching that to your service.