Subscribers to Adobe Acrobat Premium or Adobe Acrobat Pro DC can combine any number of PDFs into a single PDF.
Log in to Document Cloud.
Go to any file list (Home, Files, Shared) and open a file.
Tap and then tap
Tap any file location, and navigate to a file.
Select any number of files.
Tap Next.
Optional:
Tap Combine.
The file is automatically sent to Adobe’s Convert service and uploaded to Document Cloud. By default, the name is “Combine + (current date)”. To rename the file, tap > Rename.
You can invoke the combine workflow from any file list.
In any open file, tap
Tap , and complete the workflow described above.