Refund

Hi 동현김,

I have checked that you purchased Adobe Export PDF service from the Google Play store.

If you need a refund, please cancel the service within 14 days from purchase. for more details, you may refer to this help document Return or exchange a non-subscription product

To cancel a service from Google play store, you may take help from here Cancel, pause, or change a subscription on Google Play - Android - Google Play Help 

Hope the information helps.

Let us know if you have any questions.

Regards,

Meenakshi