Yes, BRAILLES is a Scrabble word!

Letter values in Scrabble US: B 3, R 1, A 1, I 1, L 1, L 1, E 1, S 1.

Is it a valid word?

BRAILLES is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

French educator who lost his sight at the age of three and who invented a system of writing and printing for sightless people (1809-1852)
a point system of writing in which patterns of raised dots represent letters and numerals

Also: louis braille.