Can z/OSMF be used to apply maintenance to OM Web Viewer 14.0?
Yes, Web Viewer 14.0 is part of View®, and you can use z/OSMF to apply maintenance.
You need to make sure that the Web Viewer USS files are mounted otherwise the maintenance will fail.
NOTE that the Web Viewer solutions are very large.
Use the Broadcom Software Toolkit on USS Plug-in for z/OSMF (Free to mainframe customers)
See Maintain products using z/OSMF View 14.0 and scroll down.