The Vexcel Viewer video tutorials are found here.
Logging In and Out and Password Reset
https://vimeo.com/589945860/70371275f3
Navigating the Viewer
https://vimeo.com/586425229/46d4933676
Sharing Location by URL
https://vimeo.com/623451057/9f097b8d7f
Searching for a Location
https://vimeo.com/586425421/fb1ae199bb
Compass Control Tool
https://vimeo.com/586424956/ce2db624d2
Timeline Tool
https://vimeo.com/586425455/5da9d49467
Collections: Layers and Overlays
https://vimeo.com/586508952/e89c6855da
Image Gallery
https://vimeo.com/589945723/3dafdbf4eb
Measuring and Drawing Tools
https://vimeo.com/586425120/8f5ddee98c
Dual View
https://vimeo.com/586425074/bcd2dd8275