Step 1:Login to your Facebook Business Manager, and navigate to “Audiences”.
STEP 2:Find the audience you wish to share. Check the box to the left of the audience name that you wish to share.
STEP 3:Click the “Actions” dropdown. Then, click “Share”
STEP 4:Enter the Ad Account ID or Names of the people that you wish to share you Facebook audience with, and click when Facebook verifies your entry as valid.
STEP 5:Adjust the permissions settings by clicking the dropdown “Permissions”. Here, you decide whether you want the audience receiver to be able to access “Targeting and Insights” or “Targeting Only”. Once complete, click “Share”. It’s that simple! Here are a few pointers to note: