I also had the same question, so I contacted support. -- At this time, there is no such function. However, it has already been notified to the development department as a request for new functions. If you have any updates, we upload updated contents to the following KB, https://kb.parallels.com/en/124521 From the above link you can receive future product update information etc from time to time. --
For keyboard mappings, I found them in ~/Library/Preferences/Parallels. I first created the profile on the target computer with the same name then overwrote that file (after shutting down parallels). Hopefully an import/export option will be added sometime in the future, or iCloud sync. Or both.
