Automation Express grants limited access to the following:
StudioX and Studio Web
You can only publish packages to your personal workspace.
Document Understanding processes and their relevant activities cannot be used.
Automation Cloud™ features, such as Orchestrator and Integration Service
You only have access to your Orchestrator personal workspace, and can only run attended automations.
UiPath Assistant
Assistant only displays and allows you to run processes from your personal workspace or the marketplace.
Autopilot for everyone.
Difference between Studio and StudioX: