Hello Roberto,
Happy to help!
This article contains everything you need to create an Articulate ID and more:
And here's how your stakeholders can subscribe to comments and mute notifications for individual projects:
Regarding the Review Request feature, only the content owner can request a review. This means that your stakeholders won't have access to this feature. Here's more information on this that you can share with your content creators:
And lastly, adding comments is pretty straightforward in Review 360. This option in a published course, which only the course owner can see, will determine if reviewers without an Articulate ID will be able to comment on the course:
Let me know if you have any questions!
