I inserted a text box in a pdf and save it as a new document however once I attached it in an email upon opening this document on my phone the text is no longer there. Any idea what happend? via /r/pdf

I inserted a text box in a pdf and save it as a new document however once I attached it in an email upon opening this document on my phone the text is no longer there. Any idea what happend?
No text found

Submitted April 03, 2019 at 10:57PM by poorstudent2018
via reddit https://www.reddit.com/r/pdf/comments/b99wot/i_inserted_a_text_box_in_a_pdf_and_save_it_as_a/?utm_source=ifttt

from Medical Release Form https://medicalreleaseform.tumblr.com/post/183935029451
via Medical release form
from Tumblr https://jeemiahmelville.tumblr.com/post/183935062352