Hi Shivu,
Sorry to hear the inconvenience caused to you.
We see that you have an active subscription of Adobe Export PDF registered under your account. If you are willing to cancel the service that can be done with the help of our cancellation team via chat support- Contact Customer Care
As this is an open forum and the cancellation request can't be processed here, so we request you to contact support to get this done for you.
You can also try the cancellation from your Adobe account- Cancel your membership or subscription | Adobe Acrobat, Document Cloud PDF services
Note: You must Sign In on the page with your Adobe ID and password.
Let us know if it still doesn't help.
Regards,
Akanchha