It is supposed to work like you described. The user/program setting should be stored in the .PRF files. But in our experience, we found that not to be the case (at least in AC8.0 - AC8.1r1). Maybe someone can verify if AC8.1r2 is any different.
David Larrew, AIA, GDLA, GSRC
Architectural Technology Specialist
a r c h i S O L U T I O N S
WIN7-10/ OSX 10.15.7
AC 5.1-25 USA