There are plenty of answers regarding scroll views with autolayout and plenty about scrollview paging, but I can\'t find a single thing that addresses both.
I\'m not
Follow Working with Scroll Views to build paging UIScrollView with content in Interface Builder.
I'd also recommend using Stack View as a content view for your UIScrollView since it allows to essentially reduce layout complexity.
When you use traditional approach each entry view inside content view has 5 constraints at least:
Stack View arrange its content automatically thus the only constraint each entry should have is "equal width to scroll view"
Check this project https://github.com/eugenebrusov/ios-stack-paging-scroll to see Stack View in action.