You have a requirement to migrate Contact of Partners with their Business Address using the Migration of Partners but the same is not getting reflected in UI after migration.
Reproducing the Issue
1. Go to Business Configuration work center
2. Select Implementation Projects view or Overview.
3. Search and Open the migration activity
4. Execute Migration for the respective Migration File
To populate the Business Address for the Contact you have to fill the Address details under Workplace Address in Contacts tab.
KBA , AP-RC-BCT , Business Config. Tools (SAP Business ByDesign , How To