Since the 3.20, pagination is available for all templates.

It is activated when you set a value in the "Number of comments by page" parameter.

Go to joomlacomment setting->posting->Structure :

 

clic in the "Read on" or "write comment" link to have more information or see the example.

Since the 3.20, pagination is available for all templates.

It is activated when you set a value greater than 0 in the "Number of comments by page" parameter.

Go to joomlacomment setting->posting->Structure :

 

The pagination use your standard template css pagination style. If you want to modify the style, change the #joscPageNav style in the joomlacomment template css (or add your #joscPageNav style directly in your joomla template css) .

Pagination example :