Office 365 Securlet is stuck in a 'pending' status.
Article ID: 250266
CASB Securlet SAAS
Trying to activate the Office 365 Securlet
The Enable button for the Office 365 securlet is in “Request Pending"
Cloud Management Portal has an error showing for the following entitlements
CASB Securlet SaaS
CASB Securlet IaaS
If the symptoms in this case are true then open a case with Tech Support.