The Own Seeding application supports the seeding of Salesforce knowledge articles. The scope of this support is as follows:
In Lightning Salesforce, knowledge article attachments are stored in the ContentDocumentLink object, which is related to the kav object. Therefore, to seed knowledge article attachments, you must add to your seeding template the ContentDocumentLink object as the child of the kav object.
Take note that in Classic Salesforce, knowledge article attachments are stored as part of the kav record, which means that these attachments are automatically seeded as part of seeding the kav object itself.
The limitations of the Seeding application's support of the seeding of Salesforce knowledge articles are as follows: