Granting Permissions to Other Accounts

Granting Other Accounts the Read/Write Permission for a Bucket
Granting Other Accounts the Specified Permissions for a Bucket
Granting IAM Users Under an Account the Access to a Bucket and the Resources in It
Granting Other Accounts the Read Permission for Certain Objects
Granting Other Accounts Specific Permissions for Specific Objects

Parent topic: Permission Configuration in Typical Scenarios