Merge Different pdf file from excel define location?

Hi
Please check below Image. I want to merge pdf file and want to save as invoice number.

https://global.discourse-cdn.com/uipath/original/4X/4/3/f/43f06f35ba4539876cb8c11b48c56bbd13926bf0.png

File list
https://global.discourse-cdn.com/uipath/original/4X/3/f/b/3fb42a488b132681067f4ee3af5ed97b090edd53.png

Thanks