First, please check that the add-on has been installed successfully and enabled.
Then refresh the Confluence Administration page.
If you still cannot see the ServiceRocket Plugin menu (so you can install the license), try appending the URLs below after your Confluence web address:
|Composition Tabs for Confluence|
|Composition Tabs for Confluence Settings|
|Scaffolding Forms & Templates|
|Scaffolding Forms & Templates Settings|
|Reporting for Confluence|
|Linking for Confluence|
|Visibility for Confluence|
|Tracking Access for Confluence|
|(zArchived) Menu Manager|
|Redirection for Confluence|
|(zArchived) Link Validator|
|Page Approval for Confluence|
|Connector for Google Drive and Confluence|
|Salesforce & Confluence Server Connector|
For example, to install the license for Composition Tabs for Confluence, access the following link:
Access the link and you should now be able to install the license.
If this still does not work, try restarting your Confluence instance.