I need to be able to sign a PDF form with multiple certified signatures, as well as adding typed information with each signature.

I'm using Adobe Acrobat Pro DC.  One particular form requires three certificate signatures, as well as additional typed information with each signature.  Once the first signature is added to the form, the entire form locks down, not allowing any additional information to be added.  This did not happen with the older version.

I've looked through everything I can find on Adobe's information and tried everything it's suggested with no luck.  I'd really like to continue to use the certified signatures, but if I can't add the additional information, it's of no use to me.