I create batches in course but its not displaybelow course introduction
You have to edit the course layout with elementor and add the batch widget for this.
Make sure batch and course are connected.
You can connect batch with course from course edit > components.
how to edit the course layout with elementor i'm not using vibe BP layout what can i do from where i can add batches on course page
Have you migrated to 4.x or using 3.x?
if you are using vibebp plugin then you are already migrated to 4.x.
For batch widget in course page, you have to add batch widget in course layout.
Please share your admin credential if are unable to do.