After adding a project, you may want to enable Bitbucket integration, in order to be able to comment on commits and create issues.
To do so, navigate to your Project Settings, and select the tab Integrations. The Bitbucket integration can be installed with one click. After installing it in a project, it will have to be enabled by a user with project access in Bitbucket. This user will be the Bitbucket user that Codacy will use to comment and create issues on Bitbucket:
Be aware that when clicking "Enable", you will be required to move back and forth between Codacy and Bitbucket if additional permissions are required.
After enabling the Bitbucket integration, you will have additional options when browsing the existing issues on the project: