Hello Matthew,
Yes you can, as long as you dont turn on the SSO only option in your org settings as this effects the ENTIRE org. As long as they are created in OKTA and have a profile in Genesys Cloud you should be able to use the SSO option for logging in. This SSO login option will appear for everyone but users can login normally and users that use SSO can login with SSO.
Cheers,
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Cameron
Online Community Manager/Moderator
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