Blog Section Setup?
Login Your Site, Dashboard Appearance =>> Customizer =>> Front Page Sections =>> Blog Section =>> Header =>> Enter Section Title, Select Category, Select Column, Select No of Display Blog and If you want to show read more button in all blogs then click on Enable Excerpt check box then Click Publish Button.
Blog Column, Enable Excerpt, and Category setting available in the premium version Aromatic Pro
For more help see the attachment given below:-