Absolutely Horrible Customer Service and Illegal Practices

You got disconnected. It's unfortunate but it happens, particularly in chats. I doubt there was any malice intended. I've experienced the same thing. Plus keep in mind that you're chatting with a virtual agent, not a human.

The issue really needs to be resolved through the Apple App Store where the trial was initiiated. Have you contacted Apple?

>charged for a service without my permission

You can't be charged if you do not provide your payment information

When you 'click to agree' to the subscription terms while buying a subscription, that means that you really do need to read BEFORE you enter your credit card number to buy a subscription
-LONG discussion here, with link to Nancy O'Shea 'arrows' in subscription information
https://community.adobe.com/t5/account-payment-plan-discussions/adobe-scam-1-year-subscription-payment/td-p/14133040

accidental disconnections are common.  the issue can be continued, https://helpx.adobe.com/x-productkb/policy-pricing/customer-support-portal.html

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in the future, to find the best place to post your message, use the list here, https://community.adobe.com/

p.s. i don't think the adobe website, and forums in particular, are easy to navigate, so don't spend a lot of time searching that forum list. do your best and we'll move the post (like this one has already been moved) if it helps you get responses.

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