You can see the details for your subscriptions using the Avast Account portal. Log in to your Avast Account, then click Subscriptions. For each agreement, you can check the following details: Continuance of the subscription.Read more : cancel avast account
To avast auto renewal refund, log in to the order portal of Avast official site and manage auto-renewals. Deleting or uninstalling Avast software from your device does not cancel your subscription but only stops usage of the product.