Clarify that outside collaborators receive Copilot seats without org invites (#60003)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: el-mapache <1421848+el-mapache@users.noreply.github.com>
Co-authored-by: Joe Clark <31087804+jc-clark@users.noreply.github.com>

Author: 3 people

content/copilot/how-tos/administer-copilot/manage-for-organization/manage-access/grant-access.md

@@ -58,13 +58,13 @@ Billing for {% data variables.product.prodname_copilot %} starts when you grant
 
    * Click **Users and teams** to search for and add individual users or teams.
 
-     To search for a user, type their username or full name in the search bar. If you select a user who is not currently a member of your organization, they will be invited to join your organization when you click **Continue to purchase** followed by **Purchase seats**.
+     To search for a user, type their username or full name in the search bar. If you select a user who is not currently a member of your organization, they will be invited to join your organization when you click **Continue to purchase** followed by **Purchase seats**. Outside collaborators will receive a {% data variables.product.prodname_copilot_short %} seat but will not be sent an organization invite.
 
    * Click **Upload CSV** to add users in bulk by uploading a CSV file.
 
      To add members in bulk, click **Choose CSV to upload**, and then upload a CSV file including either the username or email address for each member you want to add, separated by a comma. The file can contain a mixture of usernames and email addresses.
 
-     > [!WARNING] When you upload a CSV file, unless you're using {% data variables.product.prodname_emus %}, {% data variables.product.prodname_copilot %} will search all users on {% data variables.product.prodname_dotcom_the_website %} for matches. If the CSV includes users who are not members of your organization, they will be invited to join your organization when you click **Continue to purchase** followed by **Purchase seats**. This warning does not apply to accounts using {% data variables.product.prodname_emus %}.
+     > [!WARNING] When you upload a CSV file, unless you're using {% data variables.product.prodname_emus %}, {% data variables.product.prodname_copilot %} will search all users on {% data variables.product.prodname_dotcom_the_website %} for matches. If the CSV includes users who are not members of your organization, they will be invited to join your organization when you click **Continue to purchase** followed by **Purchase seats**. Outside collaborators will receive a {% data variables.product.prodname_copilot_short %} seat but will not be sent an organization invite. This warning does not apply to accounts using {% data variables.product.prodname_emus %}.
 
      Review the list of users generated from your CSV file. Clear the selection of any users you do not want to add.