How do I cancel a subscription that doesn’t have the “cancel my subscription” clickable?

Read all the notes in this article --> If you want to cancel a subscription from Apple - Apple Support

Sometimes if an app or feature on your device is not working, it may have been disabled using Screen Time, or by an IT administrator if you are using a device owned by an employer or educational institution. See how to use Screen Time on an iPhone, iPad, or iPod touch by clicking here --> Use Screen Time on your iPhone, iPad, or iPod touch - Apple Support

Usually, that means you've already cancelled it. Is there an expiry date shown?