Making the core rating system work on JReviews pages
By default JReviews disables core ratings in the categories where it is used to avoid duplicate ratings (core + JReviews) if you have enabled core ratings in Joomla to use outside of JReviews.
If you want to use both core ratings + JReviews on the same pages, then you need to edit two JReviews files.
To enable core ratings for listings on Joomla category pages, edit this file:
Comment out this line (it exists on several different places in the file):
To enable core ratings for listings on listing detail pages, edit this file:
and comment out the same line as above.