In order to enable this go into AMD Radeon Settings (right click on desktop). Go To Game. Open the profile for BFV by double clicking on it.
Turn on Radeon Anti-Lag. Use the back arrow in the upper left corner to go back. Enable the Profile by right clicking on it.
Start BFV and you should hear a series of beeps. This indicates that it's enabled. Make sure that Enhance Sync is disabled.
Do you notice any improvement in mouse input in BFV?