Where can knowledge base articles be created?

Knowledge base articles can be created in the workspaces Knowledge Base feature, which is enabled by the workspace administrator. The workspace has a Knowledge Base page that displays the knowledge base articles created in the workspace and where users can create knowledge base articles. Users can select a template, insert images, links, and videos, assign a category, and set permissions and publish settings for the knowledge base articles. Users can also view, edit, tag, like, bookmark, and comment on the published knowledge base articles. References:

SAP Build Work Zone, advanced edition | SAP Help Portal, section “Knowledge Base”

SAP Build Work Zone, advanced edition - SAP Online Help, section “Creating, Publishing and Editing Knowledge Base Articles”