Sorry No advice. You can't Because Adobe it its shortsightedness hasn't built in XML based PDF support in the Mac Version. And probably never will. Adobe after 20-25 years still considers Macs as Toys not really meant for serious work. Despite Were it not for Mac users And writing products for Mac First, they would still amount to a Font house today. For two years or more they wrote exclusively for Mac un PC's accepted. The we were al but abandoned.
We can Reda xml based PDF's but can do nothing with them . Whatwe can do is Re-save them which converts them to Plain PDF's. The go to Forms Mangaer and setup the form which will work on all Platforms.
So what you need to do is if you want your audience to include Mac users as well is avoid LiveCycle created forma and don't use any XML Based PDF Form . Create regular PDF form s and will work on any platform.