How would you configure replication with seeding, considering this deployment will have a Veeam Backup...

On the Veeam Backup & Replication server at the primary site, create a backup job of the source machine from the primary site. At the secondary site import seeding data from this backup job. Create a replica job pointing to this backup job using re-mapping.

On the Veeam Backup & Replication server at the primary site, create a backup job and backup copy job sending data to the secondary site. At the secondary site, create a replica job pointing to therepository with the backup copy data.

On the Veeam Backup & Replication server at the primary site, create a backup job of the source virtual machine from the primary site. At the secondary site, create a replica job pointing to the repository with the backup job data.

On the Veeam Backup & Replication server at the secondary site, create a backup job of the source virtual machine from the primary site. At the secondary site, create a backup copy job pulling the data from the primary and create a replica job pointing to the repository with the backup copy data.