Can you please share your experience if you changed your country of residence after you applied under Express Entry/got your AOR
How it impacted your application?
Please share insight if this has any impact on the application
it will not impact your application.
However, you will have to inform CIC by raising a CSE... the link for CSE is on the AOR document you would have received.
Someone asked question about PCC - you only need PCC if you have stayed there for 6 months plus, if you just moved there, then you dont need PCC. But IRCC might ask for a PCC at a later stage - but worry about that when they ask, not now.