1) The people on this forum are customers like you. Apple is only here to moderate, not to problem solve.
2) If you do not cancel a subscription in time it may automatically renew.
3) Apple dos not directly cancel payments that are due. In your case you will have to pay what you owe. You can then ask for a refund, which is not guaranteed.
If you wish to pursue a refund, follow the directions in this support article about how to request a refund for apps or content that you bought from Apple ➔ Request a refund for apps or content that you bought from Apple - Apple Support The likelihood of you getting a refund may vary greatly from region to region as provided in section B of Legal - Apple Media Services - Apple . Typically refunds are entirely discretionary and not guaranteed. Special terms may apply for some countries: About canceling subscriptions in Germany, Israel, South Africa, or Türkiye - Apple Support
Read this support article for information about how long it takes to receive a refund (if one is granted), and how to check the status of a refund for apps or content that you bought from Apple --> Check the status of a refund for apps or content that you bought from Apple - Apple Support
● Store credit—It might take up to 48 hours to see the refund in your Apple Account balance.
● Mobile phone billing—It might take up to 60 days for the statement to show the refund. Processing time might be affected by your carrier. You can contact your carrier for an update.
● Credit and debit cards, Apple Pay, Apple Cash, and all other payment methods—It might take up to 30 days for the statement to show the refund. If you don't see the refund after 30 days, contact your financial institution."