Once you have obtained your API user, you can go to the LimeSurvey
settings page and fill in the credentials.
How to Install:
Setup your separate LimeSurvey instance and create an API user at https://manual.limesurvey.org/RemoteControl_2_API#List_of_functions
Enable this module
Go to admin/config/services/limesurvey/settings
Fill in your api user creds and the LimeSurvey url.
Once you hit submit, the block(s) will be created under admin/structure/block with the same name as that of the Survey
Place your blocks on the appropriate page