FamilySearch.org
https://www.familysearch.org/search/genealogies/collection/8Discover your family history. Explore the world’s largest collection of free family trees, genealogy records and resources.
Attention: This site does not support the current version of your web browser. To get the best possible experience using our website we recommend that you upgrade to a newer version or install another browser
Thank you. I had forgotten all about PRF
I have a vague recollection that that request for everyone to send in a new set of Family Group Sheets for four generations was for the original foundation of the Ancestral File. If that is true, then you would find the information from those sheets there, not including any information on people who were living at the time the sheets were submitted. There is some information about the Ancestral File in the Research Wiki: https://www.familysearch.org/en/wiki/Ancestral_File
I think the answer depends on where they ended up being submitted. I believe FGS that were submitted to FamilySearch within the past 20 years or so - probably ended up in Pedigree Resource FIle. You can search Pedigree Resource File and other submitted Community Trees at:
Followup question: do you think someone typed those submitted FGS information into the PRF, because they were paper FGS that were submitted-Not GEDCOM??