The JComments doesn't allow to display article's hits count in Joomla 1.0 (because outdated mambot architecture). On Joomla 1.5 the JComments content plugin has additional parameter which allows to display such information. But note, that this feature will increase database load because it uses query to database for each content item.
But you could enable this feature manually by making small modification of the default JComments template:
1. Open file /conponents/com_jcomments/tpl/default/tpl_links.php
2. Find code:
if ($this->getVar('show_hits', 0) == 1) {
and replace it with follows:
if (true) {
After this content hits counter would be displayed for all articles where comments are enabled.