2021年8月15日 — Open a document where you want to add a watermark and choose and choose Organize > Watermark > Add. Edit the watermark in the “Add Watermark” ...

How to add a watermark to PDF

2021年8月15日 — Open a document where you want to add a watermark and choose and choose Organize > Watermark > Add. Edit the watermark in the “Add Watermark” ......（以下省略）