this feature request would cover this - please vote for it 
Link to external pdfs in local Zotero folder and Better BibTex support I believe the academic use case for Logseq is auite diferent from the task management/workflow use case. Of course they can be combined but academic users need to make sure academic functionality development keeps up with needs and opportunities. See this instructive thread: x.com
choice quote from Arthur Perret:
I don’t think a majority of people use these as tools for thought, with interrelation at their core. Which is why you see this criticism of graph views pop up: without links, it’s a useless feature indeed; and with few people needing it to improve, it stagnates.
In that spirit: Let’s avoid stagnation by interlinking elevant Feature Requests in this forum and point to relevant implementations