To create a PDF with Acrobat DC from a docx document go to the file menu > open > navigate to your word docx, in the dialog window change the "Show" option from Adobe PDF Files to All files click open to convert the docx file to a pdf.
To create a PDF with Acrobat DC from a docx document go to the file menu > open > navigate to your word docx, in the dialog window change the "Show" option from Adobe PDF Files to All files click open to convert the docx file to a pdf.