Yes potatoes can be eaten raw if you want to eat the potatoes raw.
But raw potatoes are not as delicious as cooked or steamed potatoes and the raw potatoes are a bit harder to chew than cooked or steamed potatoes.
But you can eat potatoes raw and they will be very nutritious as you get the most Vitamins and nutrients out of raw potatoes versus cooked or steamed potatoes.
I used to be able to eat raw potatoes as a kid but now I just don't like the potatoes raw anymore but it's okay to eat them raw if you want too.
You could cut the potatoes up into pieces and then snack on the raw potato which would make them easier to chew and digest and they would be a good nutritious snack.