No, unfortunately, there is no integration at the moment with YITH Subscriptions. Yet, your users will be able to opt for a payment in installments if they choose the PayPal checkout option. Please, refer to this page for more details about payments in installments.
Yes, of course! The plugin includes an additional non-branded card option for stores based in the US, UK, Spain, Italy and France. You will be able to set up the un-branded credit card from a dedicated tab. Please, refer to this page for more details.