I want to cancel a trail subscription to LinkedIn Premium before November 30th. I tried to follow the instructions, but I don’t see a Cancel button. Help!

See the following from How to cancel a subscription from Apple - Apple Support

If you don’t see Cancel, the subscription is already canceled and won't renew.

and

If you cancel a paid subscription, you can keep using the subscription until the next billing date.

Another indication is that it will typically have wording that says "expires on [date]" rather than "renews on [date]."

See this Apple article: How to cancel a subscription from Apple

https://support.apple.com/en-gb/HT202039

if you bought the Premium subscription via the LinkedIn desktop site.

https://www.linkedin.com/help/linkedin/answer/50/cancel-linkedin-premium-subscription?lang=en