Found under: Sections -> Collection -> Collection List
Heading - Displays Heading Text in the Collection List Section
Subheading - Displays Subheading Text in the Collection List Section
Section style - Allows you to choose different color options
Section Height - Allows you to choose different height options
FOOTER
Show 'View all' button - Ability to display a View All Button, you will be redirected to all collections page
Button style - Allows you to change button layout style.
CONTENT
You are allowed to add up to 9 sections, the layout changes depending on the contents added.

TIP: If you want to add more then feel free to create another section then just remove the HEADING so they would look like connected to each other.
OTHER IMPORTANT LINKS:
How To Remove Overlay From Collection List