Can clients create backups of VPS in SolusVM?
SolusVM doesn't have an end-user backup system.
However, there is a feature request for a proper backup system which is already under review, please add your vote and comments on it - https://solus.uservoice.com/forums/914134-help-us-improve-solus/suggestions/34925440-proper-vm-backups
Highly rated requests are more likely to be implemented.
Currently, it is possible to create a VPS backup from the admin side only: