Yes, you can visit the campus of LPU before applying for admission. But for that, you need to contact the university number and arrange for a visit.
When you reach the campus you will be guided by an LPU official to the admission office for more detailed information regarding the university and its different offerings and curriculums.
You can get more information regarding this from the official website of LPU @https://www.lpu.in/ or you can simply call them on the given contact number to ask for further information on this topic. You can also connect with some of the seniors or current students from LPU to learn about the university and details on the admission process and campus tour.