Blog feature is available within admin panel with multiple category. Where you can create unlimited blog post and assign them to your own category..

You can create blog category from admin panel left menu Blog => Blog Categories here you can create as many as category to assign blog within.

Blog post can be created from admin panel from left menu => Blog => Blog Posts 

Create blog post and assign to blog category.

Blog setting and blog comments also can be managed from admin panel from left menu Blog => Blog Settings and Blog => Blog Comments.

Blog link is usually available at the bottom footer of the website. or by this link: 

Example: www.yourwebsite.com/index.php?route=blog/home