To integrate WooCommerce with ARPrice pricing table, just follow below steps
First, you should have the product in your WooCommerce product section
Create a pricing table plans with the details of the product
Click on the button link option and add WooCommerceAdd to Cart shortcode in the embed script.
Save the form and publish the shortcode in the front end
Now when you click on the pricing table button, the product will automatically add in the WooCommerce cart
You can also display WooCommerce add to cart button instead of Pricing Table Button by enabling the ‘Hide default button’ option from button link options of ARPrice.