What information can you find about your competitors in Pardot?

A Pardot administrator wants to export a .csv of prospects that purchased a certain product within the last year. The product is captured in a Product Name field on the prospect record. The company's product will soon be changing names, therefore they need a one-time export of all prospects that have this specific product currently listed in the Product Name field.
What is the recommended way to identify these prospects to export to .csv?

What activities are completion actions available for?

Which Salesforce custom fields will sync with Pardot?

LenoxSoft has an engagement studio program within a recipient list and a suppression list. A prospect is a member of both the recipient list and the suppression list.
In which scenario would a prospect be able to receive the emails in the program?