What is a Pages Feed Widget and what is it used for?
Pages Feed Widget allows you to connect Page groups and allows you to create a feed showing subpage content.

Pages Feed Widget Options
Select page: Choose page group for the widget
Multiple feeds: Decide on one, two or three feeds. If you have more than one feed the additional feeds will show as tab.
Type: Pick layout type for the preset options. News feed, blog feed, medium, tiny, carousel, banner or mix.
The following options depend on the type of layout you pick.
Max items: Choose the max number of items in the feed.
Show source: Hide or show title of the page group.
Show source tags: Hide or show page category icon.
Show author: Hide or show author of the page along side the page preview.
Show comments: Hide or show comments from pages.
Show tags: Hide or show page hashtags.
Limit height: Limit height of items in the feed