When you create a symbol you can pre-place the properties so that as they get populated you will know where they will appear. You need to turn on the Placeholder option in the symbol editor and then move the property to the preferred location, this is where it will appear in the symbol. You can control this for each rotation of the compound symbol definition (from VX.2.0 onwards). If you do this on existing symbols you may need to run 'Symbol - Reposition Properties' after the symbol is updated in the schematic. We intend to automate this step in the next release of PADS Designer, it is the one option missing in our latest changes in VX.2.3.