You can use app package servicing commands to add, remove, and list provisioned app packages (.appx or .appxbundle) in a Windows image.
Command to Add Company Portal
DISM.EXE /Online /Add-ProvisionedAppxPackage /PackagePath:C:\PathToFile\Microsoft.CompanyPortal_2022.409.807.0_neutral___8wekyb3d8bbwe.AppxBundle /SkipLicense
Notes
DISM App Package (.appx or .appxbundle) Servicing Command-Line Options