It can be accessed under the Smile ElasticSuite menu, via the Optimizer entry.

optimizer-grid

Parameter Description
Name Optimizer name
Model Constant score </br> Based on attribute value </br> Based on behavioral data
Boost value (%) Value of the boost in percentage
Request type On what type of listing the boost will be based on
Status The optimizer is active or not
Action Edit : redirect to the optimizer edition page </br> Duplicate : will duplicate the boost and redirect to the duplicated optimizer edition page </br> Delete : delete the optimizer