You can still use those services, absolutely!
We do want to note that you would be double paying for services.
With the Microsoft Business Microsoft 365 Business Standard ($12.50/mo), each user receives 1 TB of cloud storage that you can securely
share inside or outside your organization, apply policies to ensure content is shared appropriately, revoke access at any time to control and secure content, set access expiration date for externally shared files, and even block the downloading of shared files.
Enjoy the freedom to access, edit, and share your files on all your devices, wherever you are. Even if you lose your device, you won’t lose your files and photos when they’re saved in OneDrive. Stay connected, share your documents, and collaborate in real time with Office apps.