Hello @mwchar,
Welcome!
In the Kaspersky Plus & Kaspersky Premium subscription, Unlimited VPN is for the subscription holder *only*, so, the Unlimited VPN can be used on the other two PCs *IF*, you use the same email address that you used to purchase the subscription, if different email addresses are used, the VPN will be Standard/Limited. The Kaspersky Plus & Kaspersky Premium subscription - 5 Users - covers the AV & Kaspersky Premium Password Managers for 5 Users *NOT* Unlimited VPN for 5 users.
Have all the Promotional material notifications been unchecked? Read: How to configure application notifications? & see image
Subscription based agreements are cyclical, how is the consumer going to honour the agreement when it becomes due at the next renewal? The consumer consents to the Subscription T & C when they purchase the Subscription. IF (you) are unhappy with any aspect of the product, please log a request with Kaspersky Customer Service. On the support page: https://support.kaspersky.com/b2c#contacts, select either Chat or Email, then fill in Order and payment issues, How to request a refund? template; please include any screen images & a detailed history. Support may request other details; they will guide you, use this guide as a reference: How to request a refund? & see image
Your comments for dot point 4. are confusing, we don't know if you're sharing your own experience or that of a friend, irrespective, the only resolution available is via the Kaspersky Customer Service team; IF you have any issues, post back the Incident reference please?
Thank you.