Select a sticky note in Notezilla, right-click on its title/toolbar and choose 'Send To / Computer' from the menu. The following 'Computers' window will be displayed. To add/edit computers, click on the 'Manage Computers' button.
Now, click on the 'Add Computer' button and proceed with the steps shown to you.
If any other user on the local network has added all the computers then you can quickly fetch the computers list from his PC.
Notezilla also allows you to import multiple computers from an exported file. Press the drop down arrow next to 'Add Computer' button to import from a file.