Canon and Nikon store the Focus Point information in both jpeg and raw format.
But Lightroom can not show it to users.
This information is very important to find out the flaw of shooting skill, and is important to DO the focus stack.
Focus point information is proprietary information unique to each camera manufacturer and therefore probably not something that Adobe is able to provide support for. However, the forum where feature requests will most likely be considered can be found here:
I doubt Adobe will include this feature and I don't see any usefulness in it but you could use the camera supplied software of if you have a supported camera download this free plugin to do this in Lightroom. If you do let us know how well it works. Show Focus Points Plugin for Lightroom