There are ongoing debates if AR, VR, MR are still just hype words or they really can bring value. When it comes to industries, there are proven benefits of these technologies where they saved real time and money.
Here is one great example that shows how both VR and AR are successfully used by the same company:
The world-renown company Nokia uses both virtual and augmented reality to help their workers hit the ground running. First, the factory workers learn workflows in VR and then they utilize AR to help them properly execute new tasks while they are getting used to performing them on the shop floor.
https://www.zdnet.com/article/augmented-reality-virtual-reality-and-mixed-reality-do-bring-value-to-industry/