Payment Restrictions

Yes, sure, the module supports multiple websites and multiple store views....

Yes, you can choose which payment methods should be available for each customer group.
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Yes, it’s possible. You can choose what customer attributes to use in the Conditions:
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Yes, sure. You can use a SKU product attribute in the conditions. Product attributes can be found under the “Product Subselection” condition.
Note that you need to set quantity to “equals or greater than 1” and SKU to “...

Yes, you can apply a payment restriction with a coupon code only:

There is also an opportunity to disable payment restrictions if a particular coupon is used....

Yes, in case you need to restrict a payment method on a particular day or time period, use the following settings to configure that:
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Yes, with the module you are able to restrict countries in which specific payment methods are available. It’s very convenient in case you need to restrict payment options for some legal or business reasons....

Let's say, Product 1 restricts payment Method A, and Product 2 restricts payment Method B. If both products are added to cart, neither Method A nor Method B will be shown....