If doumentation does not cover your questions or have more to ask / share with other product users or get reply from Official Support then feel free to ask / share on CodeShop Amazon Affiliate plugin Forum.
When you have activated your CodeShop Amazon Affiliate Plugin then 'Amazon Shop' page is created automatically for your homepage. By setting 'Amazon Shop' as your homepage your Wordpress will show your all added products with pagination as wordpress homepage so users can navigate pages. As default it should be shown as four columns view with 12 products per page. Though you can change to work best with your active theme through customize templates documentation page. To set your Wordpress homepage with 'Amazon Shop' you need to use Wordpress admin menu Settings -> Reading and check 'Front page displays' section select 'A static page (select below)' radio button and from 'Front page' dropdown menu select 'Amazon Shop' page. Don't forget to click on 'Save Changes' button at bottom to save your Reading Settings page. Sample image shown below -