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1) Under the Plan > Audiences menu
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2) From the Advertise tab, under Campaign within the Audience section and Third Party Audiences
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Under “Third party” you need to Select “Third party company” to view the segments created from the N.Rich platform. Campaign Creation Process - Audience Selection
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You can leverage the LinkedIn Matched Audiences created by N.Rich during campaign creation by heading to the Target Audience Selection and opting for either to Narrowing down or exclude your audience. You can then select Audiences → Third party → Third party company and you will see all the audiences created by third-parties in your account including N.Rich.
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