Cancellation of Adobe creative cloud

When you 'click to agree' to the subscription terms while buying a subscription, that means that you really do need to read BEFORE you buy a subscription... https://www.adobe.com/legal/subscription-terms.html

You should be more careful before subscribing to a plan and read the terms carefully. For now, I would suggest you talk to the support team and see if they can provide you some relief. To contact support, login to your account and navigate to the URL below. Make sure that the browser has cookies enabled, and all script blockers are disabled.
https://helpx.adobe.com/contact.html
Click on the chat icon on the bottom right, and type AGENT to avoid bots and talk to a human.
Also, be mindful of answering anyone who sends you a private message. See the following for more information about scammers
https://tinyurl.com/y7cfrr7y
-Manan