Opus Blog is the post format ready WordPress blog theme. There is a number of options available inside the Appearance > Customize > Blog Page section. Check there.

In this section, you can manage,

• Select the Sidebar Layout
• Blog column and Masonry layout
• Image Layout – Full and Left Image
• Show content from Excerpt or Content
• Excerpt Length Size
• Pagination Types – Default and Numeric
• Read More Text
• Drop Cap Option
• Meta Options – Date, Category, Tags, and Author
• Social Share Options – Enable and Disable
• Post Format Icons – Show and Hide
• Show Related Posts on blog and archive page

Besides that, you will get more options in the premium version of Opus Blog Plus.