Emirates policy from their website is
. . . . our First Class and Business Class customers, as well as Emirates Skywards Platinum and Gold members, will also receive complimentary Fast Track vouchers at check-in and before arrival.
and I've been given passes several times as a Gold in Y.
However, on a flight a couple of days ago the purser refused me one, and when I queried the policy he showed me a page from his manual which specifically excluded elites in Economy from being entitled to a Fast Track pass in Bangkok due to their local agreement with the airport.
I suppose it depends on the purser, and the airport never checked anyway, as I just used a spare I had in my bag.