While the UAE is the lead customer for the latest iteration of the Erieye concept, the developments being undertaken will feed into the overall program, and will become available for other customers.
I have yet to see any reference, either from SAAB, the PAF, or any other reputable source, that the PAF beat the UAE and became the launch customer of the ER version. Happy for you to prove me wrong.
I am not saying that you are right or wrong but Saab never announces it’s sales to Pakistan. Usually it say “sold to an Asian country” and it does not announce what it sold just the amount of the deal. Additionally, since the original order, Pakistan has not purchased fly away Erieyes, just the kits for the Radar and Controls. It does the integration itself. So if you are looking for a paper trail of what PAF purchased you will not find it in the public domain.