We would like to know if you have considered integrating with the WooCommerce Shipment Tracking add-on, which provides the ability for the customer to view package tracking info in multiple ways: customer email, the order tracking page, and the order view page in their account section.
We realize Shipping Easy provides an email notification to the customer and passes the tracking info in a private note to WooCommerce, however this information is not available to the customer to view outside of the email.