Editing any sub-pages
Go to Pages on the sidebar. Click on any subpage you like to edit.
Edit intro content
Simply update the content in the main content editor
If content is copied and pasted from any source (Word doc. etc), make sure to select all the content and clear formatting.
Subpages Content Sections
The subpages were built using 1 template. This template includes a Content Sections selector under the main content editor.
To add a new section, simply click on Add Section button at the bottom of the Content Sections
There are 9 different sections being used across all the subpages.
If you want to add new section, simply select the section based on the section name.
Otherwise, you can edit the content for existing sections on each subpages and the click Update under Publish panel to save the changes