Self requestable roles: User can't see the + Add button

Summary:

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Under Me and then I press Roles and Delegations:

Then I can press the Add to assign some of the roles that are self-requestable.

So when I do the steps above from my profile there are no problems what so ever. It works just like intended.

However when I do the same steps from a user who is just a basic user then I can’t press the add button.

Again I go under Me and then I press roles and delegations. But as you can see there is no + Add button like there was on my profile: