WordPress automatic allows posting from amazon to wordpress but if you are installing a woocommerce theme then there are some additional configuration required to make products from amazon work on your current wordpress woocommerce theme

1- add a new campaign with amazon type

2- set the post type to “product”

3- set these three custom fields as follow

These custom fields will make the posted product visible in your theme shop and will set the price of the product

• _regular_price : [price_numeric]
• _price : [price_numeric]
• _visibility : visible

Setting this fields should result in a products like this

Used woocommerce theme for this tutorial was mystil theme