PGA Parametric Report is available from the main toolbar when hitting the 
button. The following dialog appears:
PGA Parametric dialog
The software will load all the selected CPT files into the new dialog and will assign default properties values like line color, pen width etc. After defining the desired calculation properties the selected parameter (settlemetns, LPI and LSN) the calculation is initiated by hitting the Perform Calculation button.
PGA Parametric for LPI
As with all plots in CLiq, clicking on the axes brings up the dialog for defining custom parameter values.