Yes, you can perform initial seeding for larger data size. This is normally applicable for customers with slower internet connection or larger data capacity.
Initial Seeding for Acronis Hosted Deployment
Currently Acronis is working towards providing initial seeding for their Cloud Datacenters, however the initial seeding service is NOT available for Australia Datacenter yet. Which means for customer who wish to backup to Acronis Hosted Cloud Storage in Australia Datacenter, there is no way to perform initial seeding currently. For the list of Acronis Cloud Datacenter with Initial Seeding service available, kindly refer to https://kb.acronis.com/content/59037
Initial Seeding for Service Provider Hosted (Hybrid) Deployment
For Service Provider hosted deployment, initial seeding option is available. SP can setup the initial seeding and Large Scale Recovery (LSR) service, and choose to upsell this unique service to your clients. For details on how SP can setup the initial seeding and LSR service, please refer to https://kb.acronis.com/content/56070
In terms of how end users can create initial seeding backup at their end, please refer to https://kb.acronis.com/content/57604