Only packages waiting for your signature are visible in My Folder.
In case the signatories have different signature categories, the package will be first visible to one user. When the first signatory signs the package, the package will be visible to the second signatory.
If signatories have the same signature category, they both see the package. The package is signed by the faster signatory. The second signatory no longer sees the package in My folder or if he tries to sign the package, the system informs him that the package has been already signed.