Getta91
No, you can't install it from Solus repos. See more here.
You can install it from snap or flatpak.
$ flatpak search wps
Application ID Version Branch Remotes Description
com.wps.Office 11.1.0.9080 stable flathub WPS Office Suite
$ snap search wps
Name Version Publisher Notes Summary
wps-office-multilang 10.1.0.6757-multilang schmolli-christian - WPS Office Suite with support for many languages
wps-office-all-lang-no-internet 10.1.0.6757 cyrpaut - WPS Office Suite all languages with no internet connection
wps-office 10.1.0.6757 liuyang8 - WPS Office Suite
wps-mts 11.1.0.8722 mrthesoulz - WPS Office Suite
In flatpak you have the most recent version of wps-office.
