As Facebook Inc. explores a broader range of money-making businesses, such as video ads and music streaming, it will need to shake off the growing pains that marked its first quarters as a public company.

Slowing revenue growth and sagging shares have ratcheted up pressure on Facebook to find new ways to generate sales. At the same time, the world’s largest social network will have to assuage concerns about privacy rights, woo investors and stay true to chief executive officer Mark Zuckerberg’s pledge that Facebook is more a social movement than a business.