pve-zsync vs others like znapsend or sanoid

The setup script sets the properties:

Code:
# zfs get all rpool/vm | grep znapzend
rpool/vm  org.znapzend:dst_0_plan  6days=>1days,4weeks=>1weeks  local
rpool/vm  org.znapzend:mbuffer  /usr/bin/mbuffer  local
rpool/vm  org.znapzend:dst_1  root@....:data/proxmox/zfs-backup/.../vm  local
rpool/vm  org.znapzend:pre_znap_cmd  off  local
rpool/vm  org.znapzend:src_plan  24hours=>1hours,6days=>1days,4weeks=>1weeks  local
rpool/vm  org.znapzend:dst_1_plan  6days=>1days,4weeks=>1weeks  local
rpool/vm  org.znapzend:enabled  on  local
rpool/vm  org.znapzend:mbuffer_size  1G  local
rpool/vm  org.znapzend:post_znap_cmd  off  local
rpool/vm  org.znapzend:dst_0  local-backup/rpool/vm  local
rpool/vm  org.znapzend:tsformat  %Y-%m-%d-%H%M%S  local
rpool/vm  org.znapzend:recursive  on  local
 
can znapzend also pull backups via ssh instead of pushing them via ssh to a remote location? (this is a security concern for our backups)