Admin can access this section by going into Admin Panel > Settings > Currency.
Here the list of all the currencies are displayed. Their status can be turned on and off. If turned On, those currencies will get displayed on the client Panel on the basis of their of their Ip. Also, Admin can select which currencies should be displayed on the dashboard. One is the default currency which is shown. Other can be selected from here by clicking on Show On Dashboard.
If a currency is turned on and User registered has the same currency ,then Pricing in that currency will be shown to the customer which is entered while creating Plans