The "Spacer Column" module is meant to give space between columns:
In case if you need to give a space above or below columns, you can use the top, and/or bottom "Spacing" in the "Column" settings:
When you need to add space between sections we recommend using an "Offset" option in the "Section" settings:
The Difference between Spacing and Offset
Spacing (padding) - will add more space inside of your element. This means that the background will also be extended.
Offset (margin) - on contrary will add spacing around your element. This means that the background will not be affected.
Please note: The space you give your modules/sections will be applied across all breakpoints. You might need to decrease these values on smaller breakpoints. You can learn more about the responsive editor here: Optimizing your site for mobile (responsive testing)