Yes, automatic driveway gates can help with security in some cases.
In a study from 2012, Joseph B. Kuhns interviewed 441 burglars (4). He found that one thing they looked for was ease of access and escape. An automatic gate makes your home less accessible to possible criminals, and also, creates a potentially more difficult escape.
To understand this further, you can check out our guide that compares wired versus wireless security systems.