If your use case requires this data in Funnel, you can request it as a custom connector.
Custom connectors and data requests are available only in Business and Enterprise plans.
Campaign Reach Report
Reach
Granularity
Frequency
Advertiser ID
Advertiser Name
Campaign ID
Campaign Name
Campaign Start Time
Campaign End Time
Ad Reach Report
Reach
Granularity
Frequency
Advertiser ID
Advertiser Name
Campaign ID
Ad Group ID
Pin Promotion ID
Pin Promotion Name
Ad Group Reach Report
Reach
Granularity
Frequency
Advertiser ID
Advertiser Name
Campaign ID
Ad Group ID
Ad Group Name
How to request this data
To request Pinterest Reach + Frequency data and other data that has not been covered here, submit a data request.