Hi @roane34699182i3vs @Linda34710253qkcr,
Hope you are doing well. Thank you for writing in!
For usage of a limited number of days, we have the monthly plan, where you can use the premium features for a month and then decide if you need to continue with it.
Also, basic features of the application, like viewing PDFs, filling out forms, or making annotations, are free to use and do not require a subscription.
For @roane34699182i3vs,
Since Acrobat Premium is a mobile-based subscription, I suggest you contact your store from where you purchased the subscription.
You may refer to the below links for more.
For Android
Our help article to learn more: Subscription Services — Acrobat for Android Help (adobe.com)
Initiate refund from the store: Request a refund on Google Play - Google Play Help.
For iOS
Our help article to learn more: Manage subscriptions — Acrobat for iOS Help (adobe.com)
Initiate refund from the store: Request a refund for apps or content you bought from Apple - Apple Support.
Let me know if this helps.
-Souvik