I. Hola Miguel, en mi caso no soy conocedor, pero como lector habitual deseaba trasladarle un poco de información sobre este tema, recogida en parte de consultas anteriores, por si le fuese de utilidad mientras le atiende de primera mano un experto o profesional.
Le ruego me disculpe por tanta imprecisión y todas las molestias de lectura, ánimo.
https://stackoverflow-com.translate.goog/questions/71446222/open-files-from-drive-with-hyperlink-ms-access?_x_tr_sl=en&_x_tr_tl=es&_x_tr_hl=es&_x_tr_pto=sc
https://stackoverflow-com.translate.goog/questions/11483237/access-2007-display-pdf-content-on-a-form?_x_tr_sl=en&_x_tr_tl=es&_x_tr_hl=es&_x_tr_pto=sc
https://www-accessforums-net.translate.goog/showthread.php?t=57292&_x_tr_sl=en&_x_tr_tl=es&_x_tr_hl=es&_x_tr_pto=sc
https://community-qlik-com.translate.goog/t5/Integration-Extension-APIs/How-to-access-PDF-files-from-local-maching-via-URL-link/td-p/1408243?_x_tr_sl=en&_x_tr_tl=es&_x_tr_hl=es&_x_tr_pto=sc
https://www.access-programmers.co.uk/forums/threads/pdf-report-with-clickable-hyperlinks.288662/
https://www.youtube.com/watch?v=UltWxgzgXPk
https://www.youtube.com/watch?v=StFstslhzhs
https://www.access-programmers.co.uk/forums/threads/link-to-pdf-file-within-access.111386/
https://www.access-programmers.co.uk/forums/threads/how-to-link-or-attach-a-pdf-file-in-access-database.320837/
https://www.access-programmers.co.uk/forums/threads/displaying-a-pdf-document-link-in-a-form.282270/
https://www.sinetiqueta.com/blog/?p=1875
https://www.youtube.com/watch?v=53ettY6Zn-I