All registered and presented papers will be submitted for inclusion into IEEE Xplore.
The IEEE provides SCOPUS with all of the IEEE Xplore digital library content so that the bibliographic information (what is seen on an abstract page in IEEE Xplore, including the abstract) can be made visible. While we do provide them with all of our content, it is not our policy to determine what Scopus will or will not index. Additionally, once SCOPUS does load IEEE records, and the abstract is viewable to their users, the user can then link back to IEEE Xplore and lands on the abstract page of that particular record, enabling you to either view through a subscription or purchase the full text article.
Refer https://supportcenter.ieee.org/app/answers/detail/a_id/510