Yes. Although Get-AppxProvisionedPackage doesn't expose a PackageFamilyName property, the underlying APPX/MSIX package has a package family identity. You can use the DisplayName returned by Get-AppxProvisionedPackage to identify the corresponding installed package and then use Get-AppxPackage to retrieve its PackageFamilyName. For example, for Clipchamp, Get-AppxProvisionedPackage returns the display name Clipchamp.Clipchamp, and the corresponding Get-AppxPackage result provides the package family name Clipchamp.Clipchamp_yxz26nhyzhsrt. That package family name can then be used with the dynamic app removal policy.
For example:
The displayName attribute in Provisioned Package, can be used to query the package to find the packageFamilyName.
PS C:\Users\username> Get-AppxProvisionedPackage -Online | ? DisplayName -like "Clipchamp.Clipchamp"
DisplayName : Clipchamp.Clipchamp
...
PS C:\Users\username> Get-AppxPackage *Clipchamp.Clipchamp
Name : Clipchamp.Clipchamp
Publisher : CN=33F0F141-36F3-4EC2-A77D-51B53D0BA0E4
Architecture : Arm64
ResourceId :
Version : 4.7.10070.0
PackageFullName : Clipchamp.Clipchamp_4.7.10070.0_arm64__yxz26nhyzhsrt
InstallLocation : C:\Program Files\WindowsApps\Clipchamp.Clipchamp_4.7.10070.0_arm64__yxz26nhyzhsrt
IsFramework : False
PackageFamilyName : Clipchamp.Clipchamp_yxz26nhyzhsrt