FTP Voyager -FTP for root directory

Hi,

I want to FTP synch every week to a synology box for backups.  I use windows task scheudler to start the vpn to my client, launch FTP voyager.

I have a few questions:

1. is the remote direct of "/" acceptable in FTP Voyager Scheduler?  It appears to work then fails saying it needs admin priviledges (login is admin on the synology box)- logs are not sayign what happened
2. Do I need FTP Voyager running when using FTP Voyager scheduler?- appears not except for email settings/notification
3. is there a paid version?- I am reading posts where <build 16 was way better.  Since I am using this for business and FTP really is a simple protocol, i want support at my fingertips