Remember, most pdf editing software—like Wondershare PDFElement, Nitro PDF, PDF Expert, PDF-XChange Editor, EaseUS—allow users to combine pdf files (along with other pdf editing features) as ...

The editor comes in two paid tiers. PDF-XChange Editor, which allows you to edit text and graphics, annotate and secure documents, and create and convert PDF files, costs $56 for a single license.

PDF-XChange Editor is also excellent for converting documents between PDF and Word formats, and even includes OCR (optical character recognition) for converting scanned documents into editable text.