SSO Configuration with multiple ADFs query

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Hi all

Doubt: Can EPM Cloud be configured with multiple ADFs or do we need to have all users under the same Domain?

I have a customer with separate ADFs  which means that the SSO configuration is also setu against one of them. So users who do not exist under the same ADFS cannot use their Company connection and are obliged to use the Native connection. 

If there a way to join the two ADFs during the configuration? If there a way to tweek  the configuration?

 

This configuration is possible with ERP, but not EPM, as far as I can see.