Hello AyseE, Thank you for your inquiry. Yes there is a Parallels Desktop Pro edition and you may purchase a Parallels Desktop Pro license from our website via the link below https://www.parallels.com/products/desktop/buy/ Under the Parallels Desktop Pro Edition section, choose the number of licenses you wish to purchase and click on the BUY NOW button.
Greetings, Indeed, Parallels Pro and Business editions are available only as a subscription. Only the Standard version (For Home & Student Use) is available as a 1-time purchase. More details regarding 1-Time purchases and Subscriptions can be found in article https://kb.parallels.com/en/122929 . Best regards!