The instructions state that the connection can withstand a maximum of 4 bar. It is therefore advisable to use a pressure reducing valve if the water pressure is higher to prevent damage.

You can find it here https://www.galaxus.ch/de/s2/product/roborock-saros-10r-saugroboter-staubsauger-roboter-57948266.

This is possible, see instruction 043 under the following conditions: https://support.roborock.com/hc/de/article_attachments/44330932061465