As per the
Sitecore Publishing Service documentation, the
Sitecore Client Publishing and the
Sitecore Client Advanced Publishing roles do not grant access to the full republish functionality.
When you install the
Publishing Service module, the
Publishing Service Administrator role is created. This role has full access to the
Publishing Service features, including the
full republish functionality on the
To avoid security permission conflicts, ensure that users that must be able to perform a full republish are members of the
Publishing Service Administrator role and not members of the
Sitecore Client Publishing or
Sitecore Client Advanced Publishing roles.
For more information use the below link and click on
Installation Guide to download the PDF.
Sitecore Publishing Service 3.1.1 Installation Guide
Then jump onto
page 30 (section 4.5 - security) from the index.
Hope this answer your question.