Ads Manager is a Facebook tool that lets you create and manage your Facebook ads. You can view, make changes and see results for all your Facebook campaigns, ad sets and ads.
Facebook Ads Manager is a tool designed to give you full control of the types of ads you run, their format and the audiences they reach. Additionally, it allows for more granular settings for scheduling and budgeting.
You can find Ads Manager by going to www.facebook.com/adsmanager/manage/.