Thank you for submitting this idea, @A11ey! Indeed, the use case you’re mentioning is a relatively common one and it does imply the need for a wider conversation around the seats pricing model we currently have.
As a way to mitigate the need to increase the number of seats and still enable articles to be published by a wider team, we have released the ability to create articles and product updates on behalf of another user. This would mean that the author of the articles needs to collaborate with a moderator who has access to control to create the article there and chose the article writer as the author when publishing it. Maybe this helps your team in the meantime.
@Cristina I'm very happy that the team is looking into adding this functionality. As far as moderators posting on behalf of the author, this is what I I'm doing today. For larger communities who have dedicated moderators this works, for smaller communities, such as ours, I am the administrator, community manager and moderator. I have plans to build out a team, but as we are just now launching our new community, it will require a couple of months minimum, in order to put processes in place and hire people.