Commercial use is anything related to your business operations, including getting customer orders, customer support, team monitoring, legal/accounting records etc. (Forwarding texts between your work phone and your personal phone is considered personal-use.)
A single commercial license can be used for up to 5 PhoneLeash installations, each forwarding to a different destination (if needed).
When checking out, make sure you enter any one of your forwarding destinations exactly as it is on your PhoneLeash app. Once subscribed, please email support@phone-leash.com to add any additional destinations (up to 5 in all).