Try to check your IAM roles, you might not have the correct IAM roles(viewer only) that will make those buttons active. Project and region can also cause this, if possible try to set the region to us-central1 (this is the default supported region for Studio). Some regions are not yet supported/rolled out to some features.
Google AI Studio runs via Google Cloud behind, if you don’t have the right permissions, you can’t fully use the associated tools with it.
It can also be the Billing account, your billing account might not be linked to the project you are working on, try to double check it.</body></html>