A friend has given me permission to edit her objects. I teleport to a region that contains one of her objects. I cannot edit it. I log out. I log back in to the region I just logged out of. Now I CAN edit her objects. I teleport to another region containing one of her objects. I cannot edit any of her objects there. I log out, log back in, and I CAN edit her objects. It doesn't matter if I use the Linden viewer or the Firestorm viewer.