My application link is not opening on others machine

I have published my app. And I have shared my assignment’s link to others but they are getting error link “Unauthorised to access the application”. Do i need to set any security settings ?          
1 answers

After publishing your app from Mendix Studio, you can invite App users:

Click the Gear icon at the button of the left menu bar.

Then go to Tab App Settings > Roles and Permissions

There you can invite and authorize people that are allowed to use your app (via ‘Manage Users’ button).