Multi-paged posts are posts that have a next button, where the content is not displayed on the first page, but you have to click the button to get to further parts of the content
1- Here is an example post with multiple pages
2- Under the WordPress Automatic Plugin menu, click New Campaign
3- Set the campaign type to Multi-page scraper
4- When posting from a specific post link, enable this option and add the post link
5- Set the content extraction method to be by Class and add the correct class name by using the browser inspect element feature
More on how to find the class name here
6- Enable the multi-paging option
