MUA (Multiple users access) allows to share one subscription between few customers. This is an enterprise Emerald feature. This is for subscribers, usually companies, who whats to have few employees access use the same subscription but each under his own account.
In the plan you have to enter how many shares are allowed per subscription.
When root subscription is purchased, in subscription history, user will see MUA button.
When user click that button he gets to MUA management page where he is provided instruction how to grans access to this subscription with others.
It generates special coupon that others can use to get 100% discount.
Simple but powerful isn’t it?