if you want i can share you how to built the SEM model? This is part of my thesis chapter. unbale to put on public domain as this is needs to be summitted to university. if you are ok please share your email id shall share the chapter.
Please take a look at the SmartPLS webpages, especially this link (including literature recommendations): https://www.smartpls.com/documentation/algorithms-and-techniques/cvpat