To create a PDF of only selected forms, go to Options > Form Selection and select "Archive these sets (PDF)" in any of the unused column. Select the desired forms to be archived and click OK.
Go to File > Print and in print selection select only the Archive set and print.
A PDF will be stored in the location of the file...unless a different location has been selected under Options > Environment > PDF
This process has to be performed through File > Print in order to create a PDF. There is no way to automate Profile to create PDF's when saving a file.