The VR experience might be helpful, but only if she combines the experience with the wisdom of what happens in the Afterlife (ie. as expanded upon on the Books on Reincarnation). Otherwise, if at the back of her mind, she thinks her child (or more precisely, the soul of her child) no longer exists, then the VR experience might just prolong her intense emotional suffering of longing and sadness, as Glockman said.
Download 'Books on Reincarnation' here :
https://files.fm/u/y56x94du