Besides manually adding subtitles to videos with iFlicks, it is also possible to have iFlicks perform this step automatically.
This step is completely configurable using the rules system. In many cases you can just setup which subtitle languages you want. More advanced setups are also possible.
You can check if subtitles were found for you video by looking at the tracks sidebar.
Note: Automatic subtitle download will only download subtitles if it finds a perfect match.