I can't get all three of them to show up at once...sometimes I can't even pick one up.
I'll get the tablet in the water, then the one past the C4 in the small tower will be gone. I'll start it again and the situation is reversed. And I've only once been able to pick up the tablet next to the guy who gives the mission.
Tried it tons of times and have restarted game and Xbox.
The Pandora's Box Trilogy--middle grade fantasy--BOOK THREE: FATE and REBIRTH out now!