This is not the time to be fighting the Apple/PC war. Atlas is a Windows/IE operation. Yes, most stuff can be made to work on an Apple product. But like the guys who bid last month on iPads only to find out that the lines and line numbers were out of sync, you just never know.
I have worked here for 14 years. I carry an iPad. I do not do anything of importance on anything other than a Windows machine, preferably one with Office/Acrobat/IE versions that are one generation old.
It is the way it is.