Hi,
Here are a couple of papers that might be helpful:
Peter Timusk, SASGF 2014: http://support.sas.com/resources/papers/proceedings14/1617-2014.pdf
This one, from SASGF 2017, recommends using SAS metadata with automated documentation: https://support.sas.com/resources/papers/proceedings17/1314-2017.pdf
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