How to use pjax module for batrik theme content?
It seems that the module is not maintained and importantly the module is still in unstable state.

So you shouldn't be relying on this module, unless you're ready to make it stable.

You can check the alternatives here,

How to use URL-based AJAX in Drupal 7 to serve all pages?

But AFAIK there is no module available as of now with the same feature.