Since it's not possibile to explore from Spotlight iCloud Drive folder hence this workflow to help.
Open new Finder window of iCloud Drive or given application storage.
EXAMPLE: 'icloud', to open a new iCloud Drive window.
EXAMPLE 'icloud ithoughtx', to open a new Finder window in iCloud Drive space for iThoughtX application.
Currently supported commands: pages, numbers, keynote, ithoughtx, docs.
'docs' opens a folder in the iCloud Drive root named 'iCloud Docs'.