Open wp-content/themes/<YOUR THEME NAME>/index.php
You may place it in archive.php, single.php, post.php or page.php also.
If you are using the_content(); Its add Rating in end of content.
Find: <?php while (have_posts()) : the_post(); ?>
Add Anywhere Below It (The Place You Want The Ratings To Show): <?php if(function_exists('the_boratings')) { the_boratings(); } ?>
6.6.If you want to show Rating in between content add short code [borating] in content .