{PRODUCER_ALIAS}  Since Version 1.2.4: Use the Producer Name in BeatStore -> General Settings. Can also be set on a per-product basis. Before Version 1.2.4: uses the WordPress User Display Name.
{PRODUCER_FULLNAME} Since Version 1.2.4: Uses The Producer’s Full Name setting in Licenses -> Settings. Can be set on a per-product basis.
Before Version 1.2.4: uses the WordPress User Profile First & Last name of user who created the Product.
{PRODUCER_ADDRESS} uses the WooCommerce Store Address.

{CUSTOMER_ALIAS} uses the WordPress user Display Name
{CUSTOMER_FULLNAME} uses the WooCommerce Order Billing first name & last name
{CUSTOMER_ADDRESS} uses the WooCommerce Order Billing Address