VocALign Project, VocALign Pro and Revoice Pro Link are not real time plug-ins.
They will not appear in the list of plug-ins you can activate in a channel insert.
VocALign Project, VocALign Pro and Revoice Pro Link can be found in the AudioSuite menu in Pro Tools:
If you have just installed Revoice Pro on a macOS system:
- close your DAW software
- launch the Revoice Pro standalone application once to complete the installation of the Revoice Pro plug-ins