Hi @Ruth_Dong
This should be over in this area.
Building Flows - Power Platform Community (microsoft.com)
Are you saying that they run the app, but when they try to do the .Run in the Canvas App, it doesn't do anything or they get an error?
Have you looked to verify that its not triggered at all in the Details of the Flow? Can you please share more details related to debugging you have done already or look at those things I just asked for.
If they get an error in the app, i would expect them to get the Pink Popup and therefore be able to share that.
Its possible though
1. they dont have licenses
2. the stuff is not shared properly (like the connections etc)
and unfortunately more, getting those details will help us.
If I have helped you, I would really appreciate if you please Mark my answer as Resolved/Answered, and give it a thumbs up, so it can help others
Cheers
Thank You
Michael Gernaey MCT | MCSE | MCP | Self-Contractor| Ex-Microsoft
https://gernaeysoftware.com
LinkedIn: https://www.linkedin.com/in/michaelgernaey