A cloud-based identity and access management service for securing user authentication and resource access
Unfortunately, AFAIK - no. For Microsoft Entra ID cloud passwords, Microsoft does not expose the fixed password-complexity rules you listed as a readable PowerShell property or Microsoft Graph setting. The requirements are enforced by the Entra authentication service rather than stored as tenant-configurable policy values.
You can retrieve the configurable password-related settings, such as password expiration policy, through Microsoft Graph/PowerShell, but you cannot query values such as “minimum 8 characters,” “three of four complexity categories,” or the exact allowed/blocked character set because those are fixed Microsoft-defined rules.
However, the settings you are referring to already documented in https://learn.microsoft.com/en-us/entra/identity/authentication/concept-sspr-policy?tabs=ms-powershell#microsoft-entra-password-policies
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hth
Marcin