Adding Multiple (Drop Down/List More than 2+) Signatures

Calling out for experts with Adobe Acrobat DC Pro 2018 version (licensed version installed)......

Previously my user was using Acrobat 2015 version and was able to drop down all/multiple listed of signatures used previously to the document (signatures are jpg format) and choosing which signature to add to a document.

Recently i installed DC 18 Pro version which does not give you this functionality. I couldn't find it.

Now with this 18 Pro version it only lists one, or the last used (not say signature used before/prior to this/like a list of recently used), for these other signatures the user needs to go through manually each time choosing each time there is a change/different signature required to add to a document.

I tried on 2015 version and works but not on 2018 version.

Is this functionality available in A/A DC Pro 2018 version? Is there setting (in Adobe/registry) that needs to be done? Any assist/guide/link will be appreciated.

Also has Adobe removed this functionality?

Note, Using Signature & Initials in Fill In & Sign - allows max 2 - is not answer I'm looking for.

Cheers,