Yes, there are solutions if everyone is onboard with the arrangement. However, sharing a .pages or .key file with a prospective employer or client is asking the

Yes, there are solutions if everyone is onboard with the arrangement. However, sharing a .pages or .key file with a prospective employer or client is asking them to do extra work, and is rude at best and a deal killer at worst. As a corollary, sharing .7zip or .tar or .rar when a .zip would do just fine are equivalent mistakes.