Hi @OArdila
Yes, you can set “access permissions” for knowledge base articles.
This page about restricing access should help you decide the best plan.
Have fun
Mike
p.s. thank you for the mention @BérangèreL
Here to learn more about HubSpot and share my HubSpot Knowledge. I’m the founder of Webalite a Gold HubSpot Partner Agency based in Wellington, New Zealand and the founder of Portal-iQ the world’s first automated HubSpot Portal Audit that helps you work smarter with HubSpot.