You can activate geocoding at country/region level in SPRO. See following online help:
But in case you would like to perform geocoding at street level for example, then you'll need a third party tool. You'll find some very good litterature in Gergor Wolf's blog, or community project ZGEOCODE:
haven't you read through the Link to my Blog that Nicolas had posted? With the Code Exchange Project ZGEOCODE you can use the free Nominatim Service which will allow depending on the Maintenance of the Open Street Map Data also Street Level and House Number Geocoding. If that is not accurate enough you have to look for the commercial Geocoding providers.