- Display Portfolio Section : By default Portfolio section is visible, By ticking it off you can hide this section.
- Section Layout: Portfolio section have 3 layouts (Available for PRO Version only)
Layout One:

H3 Text, 6 Photos with hover title at bottom
Layout Two:

6 photos with Post title, Excerpt and Button on hover.
Layout Three:

8 photos with Post title and overlay on hover.
Select Category:
Select Post category from the drop down and all posts in that category will appear in your portfolio section. Any post without featured image will show default image.
Go to Dashboard->Appearance->Customize->Frontpage->Portfolio Section and choose your preferred layout from the drop down category.
Each layout comes with customization option. Customize as you please and finally click “Save & Publish” button at the top.