The first thing a Social Profile sees when you request Usage Rights is an Instagram direct message with your message and a Usage Rights Request link or the Approve/Reject Button.
Once they click on the Usage Rights Request link you shared, they will be redirected to their own usage rights request page, where they can see all the content you have asked for usage rights to and content for which they have approved or rejected rights.
Instagram Direct Message and Usage Rights Request Link
Once you have sent a request, the Social Profile should see the message on their Instagram Direct Messages and a link where they can approve or reject your request
Usage Rights Request Page
When the Social Profile clicks to open the link, they’ll see all the content for which you’ve ever requested permission (with your most recent Usage Rights request displayed first).
An asset will automatically display the updated status once it approves or rejects a request. Here's what it looks like: