Configure common user to export csv

I'm not able to give permission for a user to export one of the dashboard viewers. Can you help me? I'm on version 9.0.1
Here's an image of what I need to appear for him.

What is your License? Basic?
If so, I think you need a trial or a commercial license. Might be the cause?

Mine is basic, but if I paste the user as superuser it works so I think there must be a rule that adjusts this too, I just can't do it.

Ha! I was wrong. Indeed CSV exports are in basic now...
Have a look at Configure Kibana reporting | Elastic Docs

You need to activate the reporting feature may be:

Did you upgrade from ES8 to ES9?