In order to create print templates in ArcGIS Pro, VertiGIS Printing Layout Designer can be installed via the installation of WebOffice author standalone. (For further details an general information how to install WebOffice author, see the relevant chapter in WebOffice User Manual.)
Therefore, during the installation of WebOffice author standalone you have to check the option Install ArcGIS Pro VertiGIS Layout Designer Add-In:

WebOffice author standalone Setup - Installation Layout Designer
Within the ArcGIS pro Add-Inn-Manager you can check the sucessfully installed Add-In:

ArcGIS Pro - Add-In Manger
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For further information regarding the installation of VertiGIS Studio Printing Engine see the relevant chapter in the WebOffice User Manual. |