Solution
By using Value property node where it returns the index of the currently selected item (with a Multicolumn Listbox, this returns the row number and ignores the columns) and Top Left Visible Cell property node where it writes the index of the row that should appear at the top of the scroll bar as based on below LabVIEW snippet, you can programmatically select highlighted item the Multicolumn Listbox hence can programmatically scroll the Multicolumn Listbox.
Note: This image is a LabVIEW snippet, which includes LabVIEW code that you can reuse in your project.
To use a snippet, right-click the image, save it to your computer, and drag the file onto your LabVIEW block.