Go To: Dashboard >>Customizing ▸ Theme Settings> 

General: From here you can add Read more link to each post.

Header:

From here you can set two different layouts for header section.

Blog: From this section, you can change blog layout with three different styles.

 Categories & Archives Post Page:

Go to Dashboard>>Customizing>>Theme Seeting>>Categories & Archives

Click on Page Layout: OutPut >>>

Click on Gride Layout and click on save: OutPut>>

 

Click On Large Layout and click on Save OutPut:

 

Post Layout Setting with different Style: Here Large featured Image with Right sidebar

 

Post Layout Setting with different Style: Here Large featured Image with the Left Sidebar.

Page Setting: you can also set Right and Left sidebar at pages.

Blog Setting

Go to Dashboard>>Customizing>>Theme Seeting>>Blog