Besides the more obvious things like suggestions inside UMACROs, basic Visual Assist tools like implement methods also have special functionality for the Unreal Engine. The more you can use Visual Assist in general, the more opportunities Visual Assist has to make things a little easier.
A quick way to get up to speed is to try using Alt+Shift+Q on symbols for a context menu, and to take a look at the Keyboard Shortcuts dialog (VAssistX > Help).
If some part of Visual Assist is not working the way you expect in your solution, send us a message at support@wholetomato.com. There is probably a setting for it (or a secret setting… but I have already said too much).