Solis Search is aware of two properties that you can use declare on your document types to manage indexing
Go to Solis Search gui plugin to see current configuration and statistics. Here you also find a button to rebuld index if it is out of sync with published content on the website.
The Solis Search dashboard control is installed on the Content node in the Content Section.
In EPiServer the gui for Solis Search is installed under the Tools menu in the Admin section.