what configuration needed for reflection of create article button in authoring page of b2b instance

Summary:

create article button in authoring page under knowledge offering in not appearing.

Content (required):

In oracle b2b Infosys instance i created a user and assigned the user with the same roles i am possessing of.But iam unable to see the create article button in authoring page under knowledge offering when i login with the user credentials which i have created. But that button is appearing when i login with my credentials.

beside of action button there should be a create article button in general.

what could be the possible reason for not reflecting the create article button?