Most modern platforms allow you to toggle subtitles via the "CC" or "Subtitles" menu in the player.
If you are looking for Portuguese subtitles (PT-PT) for the various titles named there are several high-profile movies and TV series that often share this name. 🎬 Popular Titles Named "Conviction" 1. Conviction (2010 Movie) Conviction Legendas PortuguГЄs (pt)
Tools like Get Subtitles for Android/iOS can automatically search for files based on the video metadata. Most modern platforms allow you to toggle subtitles