How can I get refund from Viber subscriptions which I purchase tru App Store?

I purchased Viber monthly subscriptions Worldwide tru

my App Store order ID MLDT6HYHZ1

Nov 15,2021Total $5.99 .Viber said they

cannot refund or cancel only Apple can do it.Please help me out to resolved it.

I also purchased $4.99 monthly subscriptions worlwide tru app store

$4.99 but Viber blocked it.order id

MLDT7YS6L4.If you can cancel both

and refund me. Thank you