Being billed for services I'm not subscribed to

I’ve recently noticed two monthly charges to my credit card ($47.99AUD and $10.99AUD) from Adobe Systems.  So I checked in my “orders and invoices” within my account and there’s nothing showing.  I do have a Photography Plan which I pay for annually, I want to continue with that, just not these additional random payments.

Can anyone advise where to look to find out what these payments are for, or any way of contacting Adobe billing other than through this community?

Thanks